7639896242 has 32 divisors (see below), whose sum is σ = 13027288320. Its totient is φ = 3328420480.

The previous prime is 7639896221. The next prime is 7639896293. The reversal of 7639896242 is 2426989367.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43703 + ... + 131109.

It is an arithmetic number, because the mean of its divisors is an integer number (407102760).

Almost surely, 2^7639896242 is an apocalyptic number.

It is a pronic number, being equal to 87406×87407.

7639896242 is a deficient number, since it is larger than the sum of its proper divisors (5387392078).

7639896242 is a wasteful number, since it uses less digits than its factorization.

7639896242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87586.

The product of its digits is 7838208, while the sum is 56.

The square root of 7639896242 is about 87406.4999985699. The cubic root of 7639896242 is about 1969.5294848894.

The spelling of 7639896242 in words is "seven billion, six hundred thirty-nine million, eight hundred ninety-six thousand, two hundred forty-two".