73449504 has 120 divisors (see below), whose sum is σ = 221371920. Its totient is φ = 23877504.

The previous prime is 73449499. The next prime is 73449517. The reversal of 73449504 is 40594437.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 111127 + ... + 111785.

It is an arithmetic number, because the mean of its divisors is an integer number (1844766).

Almost surely, 2^73449504 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 73449504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110685960).

73449504 is an abundant number, since it is smaller than the sum of its proper divisors (147922416).

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

73449504 is a wasteful number, since it uses less digits than its factorization.

73449504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 73449504 is about 8570.2686072258. The cubic root of 73449504 is about 418.7899867065.

The spelling of 73449504 in words is "seventy-three million, four hundred forty-nine thousand, five hundred four".