73120902 has 16 divisors (see below), whose sum is σ = 146502192. Its totient is φ = 24330240.

The previous prime is 73120897. The next prime is 73120903. The reversal of 73120902 is 20902137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73120903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7099 + ... + 14022.

It is an arithmetic number, because the mean of its divisors is an integer number (9156387).

Almost surely, 2^73120902 is an apocalyptic number.

73120902 is an abundant number, since it is smaller than the sum of its proper divisors (73381290).

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

73120902 is a wasteful number, since it uses less digits than its factorization.

73120902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21703.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 73120902 is about 8551.0760726355. The cubic root of 73120902 is about 418.1645186204.

The spelling of 73120902 in words is "seventy-three million, one hundred twenty thousand, nine hundred two".