73397320 has 32 divisors (see below), whose sum is σ = 167241600. Its totient is φ = 28986048.

The previous prime is 73397309. The next prime is 73397327. The reversal of 73397320 is 2379337.

It is not an unprimeable number, because it can be changed into a prime (73397327) 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, 8454 + ... + 14773.

It is an arithmetic number, because the mean of its divisors is an integer number (5226300).

Almost surely, 2^73397320 is an apocalyptic number.

It is an amenable number.

73397320 is an abundant number, since it is smaller than the sum of its proper divisors (93844280).

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

73397320 is a wasteful number, since it uses less digits than its factorization.

73397320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23317 (or 23313 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 73397320 is about 8567.2235876041. The cubic root of 73397320 is about 418.6907833395.

The spelling of 73397320 in words is "seventy-three million, three hundred ninety-seven thousand, three hundred twenty".