74731404 has 48 divisors (see below), whose sum is σ = 191640960. Its totient is φ = 22477440.

The previous prime is 74731403. The next prime is 74731429. The reversal of 74731404 is 40413747.

It is a super-2 number, since 2×74731404² = 11169565487622432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74731403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16312 + ... + 20384.

It is an arithmetic number, because the mean of its divisors is an integer number (3992520).

Almost surely, 2^74731404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74731404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95820480).

74731404 is an abundant number, since it is smaller than the sum of its proper divisors (116909556).

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

74731404 is a wasteful number, since it uses less digits than its factorization.

74731404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 74731404 is about 8644.7327315539. The cubic root of 74731404 is about 421.2123023907.

The spelling of 74731404 in words is "seventy-four million, seven hundred thirty-one thousand, four hundred four".