72549914 has 8 divisors (see below), whose sum is σ = 115226388. Its totient is φ = 34141120.

The previous prime is 72549899. The next prime is 72549937. The reversal of 72549914 is 41994527.

It can be written as a sum of positive squares in 2 ways, for example, as 61889689 + 10660225 = 7867^2 + 3265^2 .

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, 1066877 + ... + 1066944.

Almost surely, 2^72549914 is an apocalyptic number.

72549914 is a deficient number, since it is larger than the sum of its proper divisors (42676474).

72549914 is a wasteful number, since it uses less digits than its factorization.

72549914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133840.

The product of its digits is 90720, while the sum is 41.

The square root of 72549914 is about 8517.6237296561. The cubic root of 72549914 is about 417.0732158514.

The spelling of 72549914 in words is "seventy-two million, five hundred forty-nine thousand, nine hundred fourteen".