32731872724081 has 4 divisors (see below), whose sum is σ = 34154997625152. Its totient is φ = 31308747823012.

The previous prime is 32731872724069. The next prime is 32731872724091. The reversal of 32731872724081 is 18042727813723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32731872724081 - 2¹³ = 32731872715889 is a prime.

It is a super-2 number, since 2×32731872724081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32731872724051) 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, 711562450501 + ... + 711562450546.

It is an arithmetic number, because the mean of its divisors is an integer number (8538749406288).

Almost surely, 2^{32731872724081} is an apocalyptic number.

It is an amenable number.

32731872724081 is a deficient number, since it is larger than the sum of its proper divisors (1423124901071).

32731872724081 is a wasteful number, since it uses less digits than its factorization.

32731872724081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423124901070.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 32731872724081 in words is "thirty-two trillion, seven hundred thirty-one billion, eight hundred seventy-two million, seven hundred twenty-four thousand, eighty-one".