70724402 has 32 divisors (see below), whose sum is σ = 127180800. Its totient is φ = 28839888.

The previous prime is 70724387. The next prime is 70724413. The reversal of 70724402 is 20442707.

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 15 ways as a sum of consecutive naturals, for example, 76499 + ... + 77417.

It is an arithmetic number, because the mean of its divisors is an integer number (3974400).

Almost surely, 2^70724402 is an apocalyptic number.

70724402 is a deficient number, since it is larger than the sum of its proper divisors (56456398).

70724402 is a wasteful number, since it uses less digits than its factorization.

70724402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 70724402 is about 8409.7801398134. The cubic root of 70724402 is about 413.5453050511.

The spelling of 70724402 in words is "seventy million, seven hundred twenty-four thousand, four hundred two".