74649369844894 has 32 divisors (see below), whose sum is σ = 123393422275200. Its totient is φ = 33651868152672.

The previous prime is 74649369844877. The next prime is 74649369844927. The reversal of 74649369844894 is 49844896394647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93850249 + ... + 94642315.

It is an arithmetic number, because the mean of its divisors is an integer number (3856044446100).

Almost surely, 2^{74649369844894} is an apocalyptic number.

74649369844894 is a deficient number, since it is larger than the sum of its proper divisors (48744052430306).

74649369844894 is a wasteful number, since it uses less digits than its factorization.

74649369844894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876424.

The product of its digits is 36118462464, while the sum is 85.

The spelling of 74649369844894 in words is "seventy-four trillion, six hundred forty-nine billion, three hundred sixty-nine million, eight hundred forty-four thousand, eight hundred ninety-four".