70491020620 has 12 divisors (see below), whose sum is σ = 148031143344. Its totient is φ = 28196408240.

The previous prime is 70491020581. The next prime is 70491020629. The reversal of 70491020620 is 2602019407.

It is not an unprimeable number, because it can be changed into a prime (70491020629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762275496 + ... + 1762275535.

It is an arithmetic number, because the mean of its divisors is an integer number (12335928612).

Almost surely, 2^70491020620 is an apocalyptic number.

It is an amenable number.

70491020620 is an abundant number, since it is smaller than the sum of its proper divisors (77540122724).

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

70491020620 is a wasteful number, since it uses less digits than its factorization.

70491020620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524551040 (or 3524551038 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 70491020620 in words is "seventy billion, four hundred ninety-one million, twenty thousand, six hundred twenty".