73320408 has 48 divisors (see below), whose sum is σ = 226945680. Its totient is φ = 20948544.

The previous prime is 73320293. The next prime is 73320419. The reversal of 73320408 is 80402337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72235 + ... + 73242.

It is an arithmetic number, because the mean of its divisors is an integer number (4728035).

Almost surely, 2^73320408 is an apocalyptic number.

It is an amenable number.

73320408 is an abundant number, since it is smaller than the sum of its proper divisors (153625272).

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

73320408 is a wasteful number, since it uses less digits than its factorization.

73320408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145496 (or 145489 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 73320408 is about 8562.7336756435. The cubic root of 73320408 is about 418.5444855355.

The spelling of 73320408 in words is "seventy-three million, three hundred twenty thousand, four hundred eight".