74993856 has 56 divisors (see below), whose sum is σ = 226771200. Its totient is φ = 21426432.

The previous prime is 74993843. The next prime is 74993873. The reversal of 74993856 is 65839947.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 74993799 and 74993808.

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, 26556 + ... + 29243.

Almost surely, 2^74993856 is an apocalyptic number.

It is an amenable number.

74993856 is an abundant number, since it is smaller than the sum of its proper divisors (151777344).

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

74993856 is a wasteful number, since it uses less digits than its factorization.

74993856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55821 (or 55811 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 74993856 is about 8659.8993065740. The cubic root of 74993856 is about 421.7048166691.

The spelling of 74993856 in words is "seventy-four million, nine hundred ninety-three thousand, eight hundred fifty-six".