72243514 has 16 divisors (see below), whose sum is σ = 124383168. Its totient is φ = 30827232.

The previous prime is 72243503. The next prime is 72243527. The reversal of 72243514 is 41534227.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7812 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (7773948).

Almost surely, 2^72243514 is an apocalyptic number.

72243514 is a deficient number, since it is larger than the sum of its proper divisors (52139654).

72243514 is a wasteful number, since it uses less digits than its factorization.

72243514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22389.

The product of its digits is 6720, while the sum is 28.

The square root of 72243514 is about 8499.6184620252. The cubic root of 72243514 is about 416.4852456767.

The spelling of 72243514 in words is "seventy-two million, two hundred forty-three thousand, five hundred fourteen".