70657056452 has 12 divisors (see below), whose sum is σ = 125745609360. Its totient is φ = 34729739496.

The previous prime is 70657056451. The next prime is 70657056473. The reversal of 70657056452 is 25465075607.

It is a super-2 number, since 2×70657056452² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70657056397 and 70657056406.

It is not an unprimeable number, because it can be changed into a prime (70657056451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149696918 + ... + 149697389.

It is an arithmetic number, because the mean of its divisors is an integer number (10478800780).

Almost surely, 2^70657056452 is an apocalyptic number.

It is an amenable number.

70657056452 is a deficient number, since it is larger than the sum of its proper divisors (55088552908).

70657056452 is a wasteful number, since it uses less digits than its factorization.

70657056452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299394370 (or 299394368 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 70657056452 in words is "seventy billion, six hundred fifty-seven million, fifty-six thousand, four hundred fifty-two".