70437772256 has 48 divisors (see below), whose sum is σ = 147987979776. Its totient is φ = 32886153216.

The previous prime is 70437772219. The next prime is 70437772289. The reversal of 70437772256 is 65227773407.

It is a super-2 number, since 2×70437772256² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440681 + ... + 578856.

It is an arithmetic number, because the mean of its divisors is an integer number (3083082912).

Almost surely, 2^70437772256 is an apocalyptic number.

It is an amenable number.

70437772256 is an abundant number, since it is smaller than the sum of its proper divisors (77550207520).

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

70437772256 is a wasteful number, since it uses less digits than its factorization.

70437772256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019691 (or 1019683 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 50.

The spelling of 70437772256 in words is "seventy billion, four hundred thirty-seven million, seven hundred seventy-two thousand, two hundred fifty-six".