72155010 has 32 divisors (see below), whose sum is σ = 173420352. Its totient is φ = 19213760.

The previous prime is 72154997. The next prime is 72155029. The reversal of 72155010 is 1055127.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27892 + ... + 30368.

It is an arithmetic number, because the mean of its divisors is an integer number (5419386).

Almost surely, 2^72155010 is an apocalyptic number.

72155010 is an abundant number, since it is smaller than the sum of its proper divisors (101265342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72155010 is a wasteful number, since it uses less digits than its factorization.

72155010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 72155010 is about 8494.4105151564. The cubic root of 72155010 is about 416.3151004240.

The spelling of 72155010 in words is "seventy-two million, one hundred fifty-five thousand, ten".