Search a number
-
+
74706297 = 3129119289
BaseRepresentation
bin1000111001111…
…10110101111001
312012120110202220
410130332311321
5123111100142
611225114253
71564664421
oct434766571
9165513686
1074706297
1139195a46
1221028989
1312628a13
149cc9481
15685a2ec
hex473ed79

74706297 has 8 divisors (see below), whose sum is σ = 99690720. Its totient is φ = 49763040.

The previous prime is 74706263. The next prime is 74706337. The reversal of 74706297 is 79260747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74706297 - 27 = 74706169 is a prime.

It is a super-2 number, since 2×747062972 = 11162061622904418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74706197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5772 + ... + 13517.

It is an arithmetic number, because the mean of its divisors is an integer number (12461340).

Almost surely, 274706297 is an apocalyptic number.

It is an amenable number.

74706297 is a deficient number, since it is larger than the sum of its proper divisors (24984423).

74706297 is a wasteful number, since it uses less digits than its factorization.

74706297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20583.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 74706297 is about 8643.2804536241. The cubic root of 74706297 is about 421.1651264993.

The spelling of 74706297 in words is "seventy-four million, seven hundred six thousand, two hundred ninety-seven".

Divisors: 1 3 1291 3873 19289 57867 24902099 74706297