70628266880 has 64 divisors (see below), whose sum is σ = 168878034000. Its totient is φ = 28245897216.

The previous prime is 70628266843. The next prime is 70628266883. The reversal of 70628266880 is 8866282607.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70628266883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6031271 + ... + 6042969.

Almost surely, 2^70628266880 is an apocalyptic number.

It is an amenable number.

70628266880 is an abundant number, since it is smaller than the sum of its proper divisors (98249767120).

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

70628266880 is a wasteful number, since it uses less digits than its factorization.

70628266880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21151 (or 21139 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 70628266880 in words is "seventy billion, six hundred twenty-eight million, two hundred sixty-six thousand, eight hundred eighty".