7240879339 has 4 divisors (see below), whose sum is σ = 7241597856. Its totient is φ = 7240160824.

The previous prime is 7240879319. The next prime is 7240879357. The reversal of 7240879339 is 9339780427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9339780427 = 62303 ⋅149909.

It is a cyclic number.

It is not a de Polignac number, because 7240879339 - 2⁵ = 7240879307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7240879319) 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, 343924 + ... + 364369.

It is an arithmetic number, because the mean of its divisors is an integer number (1810399464).

Almost surely, 2^7240879339 is an apocalyptic number.

7240879339 is a deficient number, since it is larger than the sum of its proper divisors (718517).

7240879339 is a wasteful number, since it uses less digits than its factorization.

7240879339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718516.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 7240879339 is about 85093.3566090797. The cubic root of 7240879339 is about 1934.6263716065.

The spelling of 7240879339 in words is "seven billion, two hundred forty million, eight hundred seventy-nine thousand, three hundred thirty-nine".