73309080 has 64 divisors (see below), whose sum is σ = 236849760. Its totient is φ = 18044928.

The previous prime is 73309069. The next prime is 73309147. The reversal of 73309080 is 8090337.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21937 + ... + 25056.

Almost surely, 2^73309080 is an apocalyptic number.

It is an amenable number.

73309080 is an abundant number, since it is smaller than the sum of its proper divisors (163540680).

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

73309080 is a wasteful number, since it uses less digits than its factorization.

73309080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47020 (or 47016 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 73309080 is about 8562.0721790931. The cubic root of 73309080 is about 418.5229293901.

The spelling of 73309080 in words is "seventy-three million, three hundred nine thousand, eighty".