7972489 has 8 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 6772416.

The previous prime is 7972453. The next prime is 7972499. The reversal of 7972489 is 9842797.

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

It is a de Polignac number, because none of the positive numbers 2^k-7972489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7972429) 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, 4249 + ... + 5830.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^7972489 is an apocalyptic number.

It is an amenable number.

7972489 is a deficient number, since it is larger than the sum of its proper divisors (1220471).

7972489 is a wasteful number, since it uses less digits than its factorization.

7972489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199.

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

The square root of 7972489 is about 2823.5596328040. The cubic root of 7972489 is about 199.7704783665.

The spelling of 7972489 in words is "seven million, nine hundred seventy-two thousand, four hundred eighty-nine".