72406631374127 has 4 divisors (see below), whose sum is σ = 72406946827800. Its totient is φ = 72406315920456.

The previous prime is 72406631374117. The next prime is 72406631374151. The reversal of 72406631374127 is 72147313660427.

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 72406631374127 - 2¹⁰ = 72406631373103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72406631374117) 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, 157382288 + ... + 157841685.

It is an arithmetic number, because the mean of its divisors is an integer number (18101736706950).

Almost surely, 2^{72406631374127} is an apocalyptic number.

72406631374127 is a deficient number, since it is larger than the sum of its proper divisors (315453673).

72406631374127 is a wasteful number, since it uses less digits than its factorization.

72406631374127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315453672.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 72406631374127 in words is "seventy-two trillion, four hundred six billion, six hundred thirty-one million, three hundred seventy-four thousand, one hundred twenty-seven".