70692912378 has 64 divisors (see below), whose sum is σ = 178827955200. Its totient is φ = 20490695280.

The previous prime is 70692912377. The next prime is 70692912427. The reversal of 70692912378 is 87321929607.

It is a super-2 number, since 2×70692912378² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (70692912377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2573548 + ... + 2600871.

It is an arithmetic number, because the mean of its divisors is an integer number (2794186800).

Almost surely, 2^70692912378 is an apocalyptic number.

70692912378 is an abundant number, since it is smaller than the sum of its proper divisors (108135042822).

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

70692912378 is a wasteful number, since it uses less digits than its factorization.

70692912378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174464 (or 5174458 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 70692912378 in words is "seventy billion, six hundred ninety-two million, nine hundred twelve thousand, three hundred seventy-eight".