73913136 has 40 divisors (see below), whose sum is σ = 208302144. Its totient is φ = 22397760.

The previous prime is 73913131. The next prime is 73913137. The reversal of 73913136 is 63131937.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 73913097 and 73913106.

It is not an unprimeable number, because it can be changed into a prime (73913131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69466 + ... + 70521.

Almost surely, 2^73913136 is an apocalyptic number.

It is an amenable number.

73913136 is an abundant number, since it is smaller than the sum of its proper divisors (134389008).

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

73913136 is a wasteful number, since it uses less digits than its factorization.

73913136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140009 (or 140003 counting only the distinct ones).

The product of its digits is 10206, while the sum is 33.

The square root of 73913136 is about 8597.2749170886. The cubic root of 73913136 is about 419.6693088564.

The spelling of 73913136 in words is "seventy-three million, nine hundred thirteen thousand, one hundred thirty-six".