74693917886 has 12 divisors (see below), whose sum is σ = 128048469432. Its totient is φ = 32011240836.

The previous prime is 74693917873. The next prime is 74693917891. The reversal of 74693917886 is 68871939647.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 986081 + ... + 1059123.

It is an arithmetic number, because the mean of its divisors is an integer number (10670705786).

Almost surely, 2^74693917886 is an apocalyptic number.

74693917886 is a deficient number, since it is larger than the sum of its proper divisors (53354551546).

74693917886 is an frugal number, since it uses more digits than its factorization.

74693917886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146095 (or 73052 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 68.

The spelling of 74693917886 in words is "seventy-four billion, six hundred ninety-three million, nine hundred seventeen thousand, eight hundred eighty-six".