Search a number
-
+
74708225 = 526148989
BaseRepresentation
bin1000111001111…
…11010100000001
312012120120102022
410130333110001
5123111130400
611225131225
71565003144
oct434772401
9165516368
1074708225
1139197439
1221029b15
1312629867
149cca05b
15685ab85
hex473f501

74708225 has 12 divisors (see below), whose sum is σ = 94158780. Its totient is φ = 58785600.

The previous prime is 74708189. The next prime is 74708237. The reversal of 74708225 is 52280747.

It can be written as a sum of positive squares in 6 ways, for example, as 40462321 + 34245904 = 6361^2 + 5852^2 .

It is not a de Polignac number, because 74708225 - 210 = 74707201 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22970 + ... + 26019.

It is an arithmetic number, because the mean of its divisors is an integer number (7846565).

Almost surely, 274708225 is an apocalyptic number.

It is an amenable number.

74708225 is a deficient number, since it is larger than the sum of its proper divisors (19450555).

74708225 is a wasteful number, since it uses less digits than its factorization.

74708225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49060 (or 49055 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 74708225 is about 8643.3919846320. The cubic root of 74708225 is about 421.1687495735.

The spelling of 74708225 in words is "seventy-four million, seven hundred eight thousand, two hundred twenty-five".

Divisors: 1 5 25 61 305 1525 48989 244945 1224725 2988329 14941645 74708225