73897604 has 18 divisors (see below), whose sum is σ = 142146942. Its totient is φ = 33589600.

The previous prime is 73897601. The next prime is 73897619. The reversal of 73897604 is 40679837.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 4008004 = 8360^2 + 2002^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (73897601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75857 + ... + 76824.

Almost surely, 2^73897604 is an apocalyptic number.

It is an amenable number.

73897604 is a deficient number, since it is larger than the sum of its proper divisors (68249338).

73897604 is a wasteful number, since it uses less digits than its factorization.

73897604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152707 (or 152694 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 73897604 is about 8596.3715601409. The cubic root of 73897604 is about 419.6399105623.

The spelling of 73897604 in words is "seventy-three million, eight hundred ninety-seven thousand, six hundred four".