73927379131 has 4 divisors (see below), whose sum is σ = 74314433664. Its totient is φ = 73540324600.

The previous prime is 73927379093. The next prime is 73927379219. The reversal of 73927379131 is 13197372937.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73927379131 - 2⁷ = 73927379003 is a prime.

It is a super-2 number, since 2×73927379131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73927371131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193526980 + ... + 193527361.

It is an arithmetic number, because the mean of its divisors is an integer number (18578608416).

Almost surely, 2^73927379131 is an apocalyptic number.

73927379131 is a deficient number, since it is larger than the sum of its proper divisors (387054533).

73927379131 is a wasteful number, since it uses less digits than its factorization.

73927379131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387054532.

The product of its digits is 1500282, while the sum is 52.

The spelling of 73927379131 in words is "seventy-three billion, nine hundred twenty-seven million, three hundred seventy-nine thousand, one hundred thirty-one".