72980914 has 4 divisors (see below), whose sum is σ = 109471374. Its totient is φ = 36490456.

The previous prime is 72980879. The next prime is 72980927. The reversal of 72980914 is 41908927.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72846225 + 134689 = 8535^2 + 367^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 18245227 + ... + 18245230.

Almost surely, 2^72980914 is an apocalyptic number.

72980914 is a deficient number, since it is larger than the sum of its proper divisors (36490460).

72980914 is a wasteful number, since it uses less digits than its factorization.

72980914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36490459.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 72980914 is about 8542.8867486348. The cubic root of 72980914 is about 417.8974932360.

The spelling of 72980914 in words is "seventy-two million, nine hundred eighty thousand, nine hundred fourteen".