73253904 has 20 divisors (see below), whose sum is σ = 189239376. Its totient is φ = 24417952.

The previous prime is 73253879. The next prime is 73253923. The reversal of 73253904 is 40935237.

It is a happy number.

It is a super-2 number, since 2×73253904² = 10732268902482432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763014 + ... + 763109.

Almost surely, 2^73253904 is an apocalyptic number.

It is an amenable number.

73253904 is an abundant number, since it is smaller than the sum of its proper divisors (115985472).

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

73253904 is a wasteful number, since it uses less digits than its factorization.

73253904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526134 (or 1526128 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 73253904 is about 8558.8494553883. The cubic root of 73253904 is about 418.4179027591.

The spelling of 73253904 in words is "seventy-three million, two hundred fifty-three thousand, nine hundred four".