72406703304632 has 32 divisors (see below), whose sum is σ = 141666005890080. Its totient is φ = 34629117663360.

The previous prime is 72406703304619. The next prime is 72406703304673. The reversal of 72406703304632 is 23640330760427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40054382 + ... + 41823042.

It is an arithmetic number, because the mean of its divisors is an integer number (4427062684065).

Almost surely, 2^{72406703304632} is an apocalyptic number.

It is an amenable number.

72406703304632 is a deficient number, since it is larger than the sum of its proper divisors (69259302585448).

72406703304632 is a wasteful number, since it uses less digits than its factorization.

72406703304632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991183 (or 1991179 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 47.

The spelling of 72406703304632 in words is "seventy-two trillion, four hundred six billion, seven hundred three million, three hundred four thousand, six hundred thirty-two".