70434840648788 has 72 divisors (see below), whose sum is σ = 162189922918464. Its totient is φ = 25997822208000.

The previous prime is 70434840648763. The next prime is 70434840648877. The reversal of 70434840648788 is 88784604843407.

It is a super-2 number, since 2×70434840648788² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316626413 + ... + 316848788.

It is an arithmetic number, because the mean of its divisors is an integer number (2252637818312).

Almost surely, 2^{70434840648788} is an apocalyptic number.

It is an amenable number.

70434840648788 is an abundant number, since it is smaller than the sum of its proper divisors (91755082269676).

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

70434840648788 is a wasteful number, since it uses less digits than its factorization.

70434840648788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633475261 (or 633475240 counting only the distinct ones).

The product of its (nonzero) digits is 924844032, while the sum is 71.

The spelling of 70434840648788 in words is "seventy trillion, four hundred thirty-four billion, eight hundred forty million, six hundred forty-eight thousand, seven hundred eighty-eight".