74693816 has 8 divisors (see below), whose sum is σ = 140050920. Its totient is φ = 37346904.

The previous prime is 74693777. The next prime is 74693851. The reversal of 74693816 is 61839647.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×74693816² = 11158332297283712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4668356 + ... + 4668371.

It is an arithmetic number, because the mean of its divisors is an integer number (17506365).

Almost surely, 2^74693816 is an apocalyptic number.

It is an amenable number.

74693816 is a deficient number, since it is larger than the sum of its proper divisors (65357104).

74693816 is a wasteful number, since it uses less digits than its factorization.

74693816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336733 (or 9336729 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 74693816 is about 8642.5584175058. The cubic root of 74693816 is about 421.1416708473.

The spelling of 74693816 in words is "seventy-four million, six hundred ninety-three thousand, eight hundred sixteen".