73380906 has 24 divisors (see below), whose sum is σ = 164121984. Its totient is φ = 23671080.

The previous prime is 73380893. The next prime is 73380911. The reversal of 73380906 is 60908337.

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, 65196 + ... + 66311.

It is an arithmetic number, because the mean of its divisors is an integer number (6838416).

Almost surely, 2^73380906 is an apocalyptic number.

73380906 is an abundant number, since it is smaller than the sum of its proper divisors (90741078).

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

73380906 is a wasteful number, since it uses less digits than its factorization.

73380906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131546 (or 131543 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 73380906 is about 8566.2655807534. The cubic root of 73380906 is about 418.6595701068.

The spelling of 73380906 in words is "seventy-three million, three hundred eighty thousand, nine hundred six".