72252236842 has 8 divisors (see below), whose sum is σ = 108790441056. Its totient is φ = 35988756492.

The previous prime is 72252236807. The next prime is 72252236851. The reversal of 72252236842 is 24863225227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68680308 + ... + 68681359.

It is an arithmetic number, because the mean of its divisors is an integer number (13598805132).

Almost surely, 2^72252236842 is an apocalyptic number.

72252236842 is a deficient number, since it is larger than the sum of its proper divisors (36538204214).

72252236842 is a wasteful number, since it uses less digits than its factorization.

72252236842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137361932.

The product of its digits is 645120, while the sum is 43.

The spelling of 72252236842 in words is "seventy-two billion, two hundred fifty-two million, two hundred thirty-six thousand, eight hundred forty-two".