70505752 has 16 divisors (see below), whose sum is σ = 134366400. Its totient is φ = 34674720.

The previous prime is 70505737. The next prime is 70505753. The reversal of 70505752 is 25750507.

It is a super-2 number, since 2×70505752² = 9942122130171008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70505753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71752 + ... + 72727.

It is an arithmetic number, because the mean of its divisors is an integer number (8397900).

Almost surely, 2^70505752 is an apocalyptic number.

It is an amenable number.

70505752 is a deficient number, since it is larger than the sum of its proper divisors (63860648).

70505752 is a wasteful number, since it uses less digits than its factorization.

70505752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144546 (or 144542 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 70505752 is about 8396.7703315025. The cubic root of 70505752 is about 413.1186959381.

The spelling of 70505752 in words is "seventy million, five hundred five thousand, seven hundred fifty-two".