7331590642 has 16 divisors (see below), whose sum is σ = 11164740480. Its totient is φ = 3610042128.

The previous prime is 7331590639. The next prime is 7331590649. The reversal of 7331590642 is 2460951337.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7331590595 and 7331590604.

It is not an unprimeable number, because it can be changed into a prime (7331590649) 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, 687084 + ... + 697672.

It is an arithmetic number, because the mean of its divisors is an integer number (697796280).

Almost surely, 2^7331590642 is an apocalyptic number.

7331590642 is a deficient number, since it is larger than the sum of its proper divisors (3833149838).

7331590642 is a wasteful number, since it uses less digits than its factorization.

7331590642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15825.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 7331590642 is about 85624.7081279697. The cubic root of 7331590642 is about 1942.6716513793.

The spelling of 7331590642 in words is "seven billion, three hundred thirty-one million, five hundred ninety thousand, six hundred forty-two".