73243408 has 40 divisors (see below), whose sum is σ = 169239168. Its totient is φ = 30024192.

The previous prime is 73243397. The next prime is 73243447. The reversal of 73243408 is 80434237.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73243408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11641 + ... + 16792.

Almost surely, 2^73243408 is an apocalyptic number.

It is an amenable number.

73243408 is an abundant number, since it is smaller than the sum of its proper divisors (95995760).

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

73243408 is a wasteful number, since it uses less digits than its factorization.

73243408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28471 (or 28465 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 73243408 is about 8558.2362668952. The cubic root of 73243408 is about 418.3979178216.

The spelling of 73243408 in words is "seventy-three million, two hundred forty-three thousand, four hundred eight".