73366731 has 6 divisors (see below), whose sum is σ = 105974180. Its totient is φ = 48911148.

The previous prime is 73366717. The next prime is 73366763. The reversal of 73366731 is 13766337.

It is not a de Polignac number, because 73366731 - 2¹⁹ = 72842443 is a prime.

It is a super-2 number, since 2×73366731² = 10765354435252722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73366031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4075921 + ... + 4075938.

Almost surely, 2^73366731 is an apocalyptic number.

73366731 is a deficient number, since it is larger than the sum of its proper divisors (32607449).

73366731 is a wasteful number, since it uses less digits than its factorization.

73366731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151865 (or 8151862 counting only the distinct ones).

The product of its digits is 47628, while the sum is 36.

The square root of 73366731 is about 8565.4381674261. The cubic root of 73366731 is about 418.6326108614.

The spelling of 73366731 in words is "seventy-three million, three hundred sixty-six thousand, seven hundred thirty-one".