72082170458 has 8 divisors (see below), whose sum is σ = 114483447252. Its totient is φ = 33921021376.

The previous prime is 72082170443. The next prime is 72082170467. The reversal of 72082170458 is 85407128027.

It can be written as a sum of positive squares in 2 ways, for example, as 57280284889 + 14801885569 = 239333^2 + 121663^2 .

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, 1060031885 + ... + 1060031952.

Almost surely, 2^72082170458 is an apocalyptic number.

72082170458 is a deficient number, since it is larger than the sum of its proper divisors (42401276794).

72082170458 is a wasteful number, since it uses less digits than its factorization.

72082170458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120063856.

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 72082170458 in words is "seventy-two billion, eighty-two million, one hundred seventy thousand, four hundred fifty-eight".