72411727614021 has 12 divisors (see below), whose sum is σ = 104594791735980. Its totient is φ = 48274450889280.

The previous prime is 72411727614013. The next prime is 72411727614043. The reversal of 72411727614021 is 12041672711427.

72411727614021 is a `hidden beast` number, since 7 + 2 + 4 + 1 + 1 + 7 + 2 + 7 + 614 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55096683125796 + 17315044488225 = 7422714^2 + 4161135^2 .

It is not a de Polignac number, because 72411727614021 - 2³ = 72411727614013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72411727614011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21693985 + ... + 24808313.

It is an arithmetic number, because the mean of its divisors is an integer number (8716232644665).

Almost surely, 2^{72411727614021} is an apocalyptic number.

It is an amenable number.

72411727614021 is a deficient number, since it is larger than the sum of its proper divisors (32183064121959).

72411727614021 is a wasteful number, since it uses less digits than its factorization.

72411727614021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697796 (or 5697793 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The spelling of 72411727614021 in words is "seventy-two trillion, four hundred eleven billion, seven hundred twenty-seven million, six hundred fourteen thousand, twenty-one".