73531504 has 20 divisors (see below), whose sum is σ = 147064000. Its totient is φ = 35579520.

The previous prime is 73531489. The next prime is 73531517. The reversal of 73531504 is 40513537.

73531504 = T₇₀₀₀ + T₇₀₀₁ + T₇₀₀₂.

73531504 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73629 + ... + 74620.

It is an arithmetic number, because the mean of its divisors is an integer number (7353200).

Almost surely, 2^73531504 is an apocalyptic number.

73531504 is the 7002-nd centered triangular number.

It is an amenable number.

73531504 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73531504 is a wasteful number, since it uses less digits than its factorization.

73531504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148288 (or 148282 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 73531504 is about 8575.0512534911. The cubic root of 73531504 is about 418.9457763101.

The spelling of 73531504 in words is "seventy-three million, five hundred thirty-one thousand, five hundred four".