74998554 has 16 divisors (see below), whose sum is σ = 151005600. Its totient is φ = 24831440.

The previous prime is 74998541. The next prime is 74998589. The reversal of 74998554 is 45589947.

It is a junction number, because it is equal to n+sod(n) for n = 74998497 and 74998506.

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, 41052 + ... + 42839.

It is an arithmetic number, because the mean of its divisors is an integer number (9437850).

Almost surely, 2^74998554 is an apocalyptic number.

74998554 is an abundant number, since it is smaller than the sum of its proper divisors (76007046).

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

74998554 is a wasteful number, since it uses less digits than its factorization.

74998554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84045.

The product of its digits is 1814400, while the sum is 51.

The square root of 74998554 is about 8660.1705525931. The cubic root of 74998554 is about 421.7136224032.

The spelling of 74998554 in words is "seventy-four million, nine hundred ninety-eight thousand, five hundred fifty-four".