70907265 has 64 divisors (see below), whose sum is σ = 148135680. Its totient is φ = 31726080.

The previous prime is 70907257. The next prime is 70907267. The reversal of 70907265 is 56270907.

It is not a de Polignac number, because 70907265 - 2³ = 70907257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70907267) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 17469 + ... + 21141.

It is an arithmetic number, because the mean of its divisors is an integer number (2314620).

Almost surely, 2^70907265 is an apocalyptic number.

It is an amenable number.

70907265 is an abundant number, since it is smaller than the sum of its proper divisors (77228415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70907265 is a wasteful number, since it uses less digits than its factorization.

70907265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 70907265 is about 8420.6451653065. The cubic root of 70907265 is about 413.9014152995.

The spelling of 70907265 in words is "seventy million, nine hundred seven thousand, two hundred sixty-five".