73994404 has 81 divisors (see below), whose sum is σ = 158056801. Its totient is φ = 30279040.

The previous prime is 73994383. The next prime is 73994407. The reversal of 73994404 is 40449937.

The square root of 73994404 is 8602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 16386304 = 7590^2 + 4048^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73994407) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3217137 + ... + 3217159.

Almost surely, 2^73994404 is an apocalyptic number.

73994404 is the 8602-nd square number.

It is an amenable number.

73994404 is an abundant number, since it is smaller than the sum of its proper divisors (84062397).

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

73994404 is a wasteful number, since it uses less digits than its factorization.

73994404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The cubic root of 73994404 is about 419.8230622804.

The spelling of 73994404 in words is "seventy-three million, nine hundred ninety-four thousand, four hundred four".