73308732 has 48 divisors (see below), whose sum is σ = 195912192. Its totient is φ = 20900160.

The previous prime is 73308731. The next prime is 73308733. The reversal of 73308732 is 23780337.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73308731) and next prime (73308733).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73308693 and 73308702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73308731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68433 + ... + 69495.

It is an arithmetic number, because the mean of its divisors is an integer number (4081504).

Almost surely, 2^73308732 is an apocalyptic number.

It is an amenable number.

73308732 is an abundant number, since it is smaller than the sum of its proper divisors (122603460).

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

73308732 is a wasteful number, since it uses less digits than its factorization.

73308732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 73308732 is about 8562.0518568857. The cubic root of 73308732 is about 418.5222671428.

The spelling of 73308732 in words is "seventy-three million, three hundred eight thousand, seven hundred thirty-two".