73265137 has 6 divisors (see below), whose sum is σ = 80531234. Its totient is φ = 66604560.

The previous prime is 73265131. The next prime is 73265141. The reversal of 73265137 is 73156237.

It can be written as a sum of positive squares in only one way, i.e., 56610576 + 16654561 = 7524^2 + 4081^2 .

It is not a de Polignac number, because 73265137 - 2²³ = 64876529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73265131) 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, 302628 + ... + 302869.

Almost surely, 2^73265137 is an apocalyptic number.

It is an amenable number.

73265137 is a deficient number, since it is larger than the sum of its proper divisors (7266097).

73265137 is a wasteful number, since it uses less digits than its factorization.

73265137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605519 (or 605508 counting only the distinct ones).

The product of its digits is 26460, while the sum is 34.

The square root of 73265137 is about 8559.5056516133. The cubic root of 73265137 is about 418.4392888688.

Subtracting from 73265137 its reverse (73156237), we obtain a square (108900 = 330²).

The spelling of 73265137 in words is "seventy-three million, two hundred sixty-five thousand, one hundred thirty-seven".