70625720639680 has 56 divisors (see below), whose sum is σ = 168178840253280. Its totient is φ = 28250062663680.

The previous prime is 70625720639657. The next prime is 70625720639717. The reversal of 70625720639680 is 8693602752607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42601336 + ... + 44228104.

Almost surely, 2^{70625720639680} is an apocalyptic number.

It is an amenable number.

70625720639680 is an abundant number, since it is smaller than the sum of its proper divisors (97553119613600).

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

70625720639680 is a wasteful number, since it uses less digits than its factorization.

70625720639680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762457 (or 1762447 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 70625720639680 in words is "seventy trillion, six hundred twenty-five billion, seven hundred twenty million, six hundred thirty-nine thousand, six hundred eighty".