73897712 has 40 divisors (see below), whose sum is σ = 170750976. Its totient is φ = 30292416.

The previous prime is 73897699. The next prime is 73897729. The reversal of 73897712 is 21779837.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11768 + ... + 16919.

Almost surely, 2^73897712 is an apocalyptic number.

It is an amenable number.

73897712 is an abundant number, since it is smaller than the sum of its proper divisors (96853264).

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

73897712 is a wasteful number, since it uses less digits than its factorization.

73897712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28725 (or 28719 counting only the distinct ones).

The product of its digits is 148176, while the sum is 44.

The square root of 73897712 is about 8596.3778418587. The cubic root of 73897712 is about 419.6401149942.

The spelling of 73897712 in words is "seventy-three million, eight hundred ninety-seven thousand, seven hundred twelve".