70517265 has 64 divisors (see below), whose sum is σ = 146227200. Its totient is φ = 28180224.

The previous prime is 70517257. The next prime is 70517267. The reversal of 70517265 is 56271507.

It is not a de Polignac number, because 70517265 - 2³ = 70517257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70517267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24576 + ... + 27294.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^70517265 is an apocalyptic number.

It is an amenable number.

70517265 is an abundant number, since it is smaller than the sum of its proper divisors (75709935).

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

70517265 is a wasteful number, since it uses less digits than its factorization.

70517265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 70517265 is about 8397.4558647247. The cubic root of 70517265 is about 413.1411809910.

The spelling of 70517265 in words is "seventy million, five hundred seventeen thousand, two hundred sixty-five".