7448979 has 4 divisors (see below), whose sum is σ = 9931976. Its totient is φ = 4965984.

The previous prime is 7448971. The next prime is 7449011. The reversal of 7448979 is 9798447.

It is a happy number.

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

It is not a de Polignac number, because 7448979 - 2³ = 7448971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7448971) 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, 1241494 + ... + 1241499.

It is an arithmetic number, because the mean of its divisors is an integer number (2482994).

Almost surely, 2^7448979 is an apocalyptic number.

7448979 is a deficient number, since it is larger than the sum of its proper divisors (2482997).

7448979 is a wasteful number, since it uses less digits than its factorization.

7448979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482996.

The product of its digits is 508032, while the sum is 48.

The square root of 7448979 is about 2729.2817736540. The cubic root of 7448979 is about 195.2985040296.

The spelling of 7448979 in words is "seven million, four hundred forty-eight thousand, nine hundred seventy-nine".