72897049 has 8 divisors (see below), whose sum is σ = 74098368. Its totient is φ = 71700720.

The previous prime is 72897043. The next prime is 72897059. The reversal of 72897049 is 94079827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72897049 - 2¹⁷ = 72765977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72897043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37899 + ... + 39775.

It is an arithmetic number, because the mean of its divisors is an integer number (9262296).

Almost surely, 2^72897049 is an apocalyptic number.

It is an amenable number.

72897049 is a deficient number, since it is larger than the sum of its proper divisors (1201319).

72897049 is a wasteful number, since it uses less digits than its factorization.

72897049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 72897049 is about 8537.9768680877. The cubic root of 72897049 is about 417.7373581883.

The spelling of 72897049 in words is "seventy-two million, eight hundred ninety-seven thousand, forty-nine".