73713133 has 16 divisors (see below), whose sum is σ = 82801152. Its totient is φ = 65160000.

The previous prime is 73713127. The next prime is 73713149. The reversal of 73713133 is 33131737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73713133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73713163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39798 + ... + 41608.

It is an arithmetic number, because the mean of its divisors is an integer number (5175072).

Almost surely, 2^73713133 is an apocalyptic number.

It is an amenable number.

73713133 is a deficient number, since it is larger than the sum of its proper divisors (9088019).

73713133 is a wasteful number, since it uses less digits than its factorization.

73713133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956.

The product of its digits is 3969, while the sum is 28.

The square root of 73713133 is about 8585.6352706134. The cubic root of 73713133 is about 419.2904364549.

The spelling of 73713133 in words is "seventy-three million, seven hundred thirteen thousand, one hundred thirty-three".