70641793628 has 12 divisors (see below), whose sum is σ = 141283587312. Its totient is φ = 30275054400.

The previous prime is 70641793589. The next prime is 70641793637. The reversal of 70641793628 is 82639714607.

70641793628 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 70641793628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261460573 + ... + 1261460628.

It is an arithmetic number, because the mean of its divisors is an integer number (11773632276).

Almost surely, 2^70641793628 is an apocalyptic number.

It is an amenable number.

70641793628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70641793628 is a wasteful number, since it uses less digits than its factorization.

70641793628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522921212 (or 2522921210 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 70641793628 in words is "seventy billion, six hundred forty-one million, seven hundred ninety-three thousand, six hundred twenty-eight".