13747274731 has 8 divisors (see below), whose sum is σ = 14487014304. Its totient is φ = 13019371200.

The previous prime is 13747274711. The next prime is 13747274747.

13747274731 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13747274731 - 2⁷ = 13747274603 is a prime.

It is a super-2 number, since 2×13747274731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13747274711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956626 + ... + 2961271.

It is an arithmetic number, because the mean of its divisors is an integer number (1810876788).

Almost surely, 2^13747274731 is an apocalyptic number.

13747274731 is a deficient number, since it is larger than the sum of its proper divisors (739739573).

13747274731 is a wasteful number, since it uses less digits than its factorization.

13747274731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918021.

The product of its digits is 691488, while the sum is 46.

The spelling of 13747274731 in words is "thirteen billion, seven hundred forty-seven million, two hundred seventy-four thousand, seven hundred thirty-one".