73992413 has 16 divisors (see below), whose sum is σ = 83099520. Its totient is φ = 65299200.

The previous prime is 73992397. The next prime is 73992421. The reversal of 73992413 is 31429937.

It is a cyclic number.

It is not a de Polignac number, because 73992413 - 2⁴ = 73992397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73992433) 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, 161681 + ... + 162137.

It is an arithmetic number, because the mean of its divisors is an integer number (5193720).

Almost surely, 2^73992413 is an apocalyptic number.

It is an amenable number.

73992413 is a deficient number, since it is larger than the sum of its proper divisors (9107107).

73992413 is a wasteful number, since it uses less digits than its factorization.

73992413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868.

The product of its digits is 40824, while the sum is 38.

The square root of 73992413 is about 8601.8842703212. The cubic root of 73992413 is about 419.8192967920.

It can be divided in two parts, 739924 and 13, that added together give a palindrome (739937).

The spelling of 73992413 in words is "seventy-three million, nine hundred ninety-two thousand, four hundred thirteen".