72500732222 has 8 divisors (see below), whose sum is σ = 111403564272. Its totient is φ = 35366210800.

The previous prime is 72500732219. The next prime is 72500732251. The reversal of 72500732222 is 22223700527.

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

It is a super-2 number, since 2×72500732222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 442077554 + ... + 442077717.

It is an arithmetic number, because the mean of its divisors is an integer number (13925445534).

Almost surely, 2^72500732222 is an apocalyptic number.

72500732222 is a deficient number, since it is larger than the sum of its proper divisors (38902832050).

72500732222 is a wasteful number, since it uses less digits than its factorization.

72500732222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884155314.

The product of its (nonzero) digits is 23520, while the sum is 32.

The spelling of 72500732222 in words is "seventy-two billion, five hundred million, seven hundred thirty-two thousand, two hundred twenty-two".