78374694732 has 24 divisors (see below), whose sum is σ = 183086217216. Its totient is φ = 26094622608.

The previous prime is 78374694719. The next prime is 78374694751. The reversal of 78374694732 is 23749647387.

It is a super-2 number, since 2×78374694732² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3773668 + ... + 3794379.

It is an arithmetic number, because the mean of its divisors is an integer number (7628592384).

Almost surely, 2^78374694732 is an apocalyptic number.

It is an amenable number.

78374694732 is an abundant number, since it is smaller than the sum of its proper divisors (104711522484).

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

78374694732 is a wasteful number, since it uses less digits than its factorization.

78374694732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568917 (or 7568915 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 60.

The spelling of 78374694732 in words is "seventy-eight billion, three hundred seventy-four million, six hundred ninety-four thousand, seven hundred thirty-two".