7315872479 has 4 divisors (see below), whose sum is σ = 7316144640. Its totient is φ = 7315600320.

The previous prime is 7315872449. The next prime is 7315872491. The reversal of 7315872479 is 9742785137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9742785137 = 1381 ⋅7054877.

It is a cyclic number.

It is not a de Polignac number, because 7315872479 - 2²⁴ = 7299095263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7315872479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7315872409) 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, 90719 + ... + 151200.

It is an arithmetic number, because the mean of its divisors is an integer number (1829036160).

Almost surely, 2^7315872479 is an apocalyptic number.

7315872479 is a deficient number, since it is larger than the sum of its proper divisors (272161).

7315872479 is a wasteful number, since it uses less digits than its factorization.

7315872479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272160.

The product of its digits is 2963520, while the sum is 53.

The square root of 7315872479 is about 85532.8736743949. The cubic root of 7315872479 is about 1941.2823631772.

The spelling of 7315872479 in words is "seven billion, three hundred fifteen million, eight hundred seventy-two thousand, four hundred seventy-nine".