72488977 has 8 divisors (see below), whose sum is σ = 79373952. Its totient is φ = 65653200.

The previous prime is 72488959. The next prime is 72488989. The reversal of 72488977 is 77988427.

It is a happy number.

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 72488977 - 2²³ = 64100369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72488077) 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, 9178 + ... + 15139.

It is an arithmetic number, because the mean of its divisors is an integer number (9921744).

Almost surely, 2^72488977 is an apocalyptic number.

It is an amenable number.

72488977 is a deficient number, since it is larger than the sum of its proper divisors (6884975).

72488977 is a wasteful number, since it uses less digits than its factorization.

72488977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24599.

The product of its digits is 1580544, while the sum is 52.

The square root of 72488977 is about 8514.0458655095. The cubic root of 72488977 is about 416.9564120853.

The spelling of 72488977 in words is "seventy-two million, four hundred eighty-eight thousand, nine hundred seventy-seven".