70056772 has 12 divisors (see below), whose sum is σ = 123109756. Its totient is φ = 34882560.

The previous prime is 70056739. The next prime is 70056773. The reversal of 70056772 is 27765007.

It can be written as a sum of positive squares in 2 ways, for example, as 42850116 + 27206656 = 6546^2 + 5216^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70056773) 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 3 ways as a sum of consecutive naturals, for example, 35373 + ... + 37300.

Almost surely, 2^70056772 is an apocalyptic number.

It is an amenable number.

70056772 is a deficient number, since it is larger than the sum of its proper divisors (53052984).

70056772 is a wasteful number, since it uses less digits than its factorization.

70056772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72918 (or 72916 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 70056772 is about 8369.9923536405. The cubic root of 70056772 is about 412.2399158782.

The spelling of 70056772 in words is "seventy million, fifty-six thousand, seven hundred seventy-two".