72614491 has 4 divisors (see below), whose sum is σ = 73363192. Its totient is φ = 71865792.

The previous prime is 72614489. The next prime is 72614527. The reversal of 72614491 is 19441627.

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

It is a cyclic number.

It is not a de Polignac number, because 72614491 - 2¹ = 72614489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72614411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374205 + ... + 374398.

It is an arithmetic number, because the mean of its divisors is an integer number (18340798).

Almost surely, 2^72614491 is an apocalyptic number.

72614491 is a deficient number, since it is larger than the sum of its proper divisors (748701).

72614491 is an equidigital number, since it uses as much as digits as its factorization.

72614491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748700.

The product of its digits is 12096, while the sum is 34.

The square root of 72614491 is about 8521.4136737985. The cubic root of 72614491 is about 417.1969253932.

The spelling of 72614491 in words is "seventy-two million, six hundred fourteen thousand, four hundred ninety-one".