72406631374126 has 24 divisors (see below), whose sum is σ = 126342592554816. Its totient is φ = 31031312931360.

The previous prime is 72406631374117. The next prime is 72406631374151. The reversal of 72406631374126 is 62147313660427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34669906 + ... + 36698986.

It is an arithmetic number, because the mean of its divisors is an integer number (5264274689784).

Almost surely, 2^{72406631374126} is an apocalyptic number.

72406631374126 is a deficient number, since it is larger than the sum of its proper divisors (53935961180690).

72406631374126 is a wasteful number, since it uses less digits than its factorization.

72406631374126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393224 (or 2393217 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 72406631374126 in words is "seventy-two trillion, four hundred six billion, six hundred thirty-one million, three hundred seventy-four thousand, one hundred twenty-six".