70899734262816 has 48 divisors (see below), whose sum is σ = 206790891602400. Its totient is φ = 23633244753984.

The previous prime is 70899734262787. The next prime is 70899734262817. The reversal of 70899734262816 is 61826243799807.

70899734262816 is a `hidden beast` number, since 7 + 0 + 89 + 97 + 3 + 426 + 28 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (70899734262817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41029937946 + ... + 41029939673.

It is an arithmetic number, because the mean of its divisors is an integer number (4308143575050).

Almost surely, 2^{70899734262816} is an apocalyptic number.

It is an amenable number.

70899734262816 is an abundant number, since it is smaller than the sum of its proper divisors (135891157339584).

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

70899734262816 is a wasteful number, since it uses less digits than its factorization.

70899734262816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82059877638 (or 82059877624 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 70899734262816 in words is "seventy trillion, eight hundred ninety-nine billion, seven hundred thirty-four million, two hundred sixty-two thousand, eight hundred sixteen".