70612020864 has 384 divisors, whose sum is σ = 262723668480. Its totient is φ = 18340162560.

The previous prime is 70612020863. The next prime is 70612020901. The reversal of 70612020864 is 46802021607.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70612020863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2380267 + ... + 2409749.

It is an arithmetic number, because the mean of its divisors is an integer number (684176220).

Almost surely, 2^70612020864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70612020864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131361834240).

70612020864 is an abundant number, since it is smaller than the sum of its proper divisors (192111647616).

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

70612020864 is a wasteful number, since it uses less digits than its factorization.

70612020864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29530 (or 29506 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 70612020864 in words is "seventy billion, six hundred twelve million, twenty thousand, eight hundred sixty-four".