72122514 has 16 divisors (see below), whose sum is σ = 144329952. Its totient is φ = 24026688.

The previous prime is 72122471. The next prime is 72122521. The reversal of 72122514 is 41522127.

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, 14877 + ... + 19119.

It is an arithmetic number, because the mean of its divisors is an integer number (9020622).

Almost surely, 2^72122514 is an apocalyptic number.

72122514 is an abundant number, since it is smaller than the sum of its proper divisors (72207438).

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

72122514 is a wasteful number, since it uses less digits than its factorization.

72122514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081.

The product of its digits is 1120, while the sum is 24.

The square root of 72122514 is about 8492.4975125107. The cubic root of 72122514 is about 416.2525932979.

The spelling of 72122514 in words is "seventy-two million, one hundred twenty-two thousand, five hundred fourteen".