27072324731 has 16 divisors (see below), whose sum is σ = 29248464960. Its totient is φ = 24980968320.

The previous prime is 27072324709. The next prime is 27072324751. The reversal of 27072324731 is 13742327072.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27072324731 is a prime.

It is a super-2 number, since 2×27072324731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27072324751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792341 + ... + 825801.

It is an arithmetic number, because the mean of its divisors is an integer number (1828029060).

Almost surely, 2^27072324731 is an apocalyptic number.

27072324731 is a deficient number, since it is larger than the sum of its proper divisors (2176140229).

27072324731 is a wasteful number, since it uses less digits than its factorization.

27072324731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34726.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 27072324731 in words is "twenty-seven billion, seventy-two million, three hundred twenty-four thousand, seven hundred thirty-one".