74984004 has 18 divisors (see below), whose sum is σ = 189542990. Its totient is φ = 24994656.

The previous prime is 74984003. The next prime is 74984011. The reversal of 74984004 is 40048947.

It can be written as a sum of positive squares in only one way, i.e., 66585600 + 8398404 = 8160^2 + 2898^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2082889 = 74984004 / (7 + 4 + 9 + 8 + 4 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 74984004.

It is not an unprimeable number, because it can be changed into a prime (74984003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1041409 + ... + 1041480.

Almost surely, 2^74984004 is an apocalyptic number.

It is an amenable number.

74984004 is an abundant number, since it is smaller than the sum of its proper divisors (114558986).

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

74984004 is a wasteful number, since it uses less digits than its factorization.

74984004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082899 (or 2082894 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74984004 is about 8659.3304591059. The cubic root of 74984004 is about 421.6863492993.

The spelling of 74984004 in words is "seventy-four million, nine hundred eighty-four thousand, four".