Search a number
-
+
74498973025 = 527926912
BaseRepresentation
bin100010101100001111…
…1000001110101100001
321010021221221221122011
41011120133001311201
52210033214114100
654120243312521
75245103552041
oct1053037016541
9233257857564
1074498973025
112965a8010a4
121253167b741
137043551879
14386a335721
151e10599bba
hex11587c1d61

74498973025 has 27 divisors (see below), whose sum is σ = 93698477523. Its totient is φ = 58759599600.

The previous prime is 74498972983. The next prime is 74498973037. The reversal of 74498973025 is 52037989447.

The square root of 74498973025 is 272945.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 26819630289 + 47679342736 = 163767^2 + 218356^2 .

It is not a de Polignac number, because 74498973025 - 219 = 74498448737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 107812930 + ... + 107813620.

Almost surely, 274498973025 is an apocalyptic number.

74498973025 is the 272945-th square number.

74498973025 is the 136473-rd centered octagonal number.

It is an amenable number.

74498973025 is a deficient number, since it is larger than the sum of its proper divisors (19199504498).

74498973025 is an frugal number, since it uses more digits than its factorization.

74498973025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 74498973025 in words is "seventy-four billion, four hundred ninety-eight million, nine hundred seventy-three thousand, twenty-five".

Divisors: 1 5 25 79 395 691 1975 3455 6241 17275 31205 54589 156025 272945 477481 1364725 2387405 4312531 11937025 21562655 37720999 107813275 188604995 943024975 2979958921 14899794605 74498973025