3158640730 has 32 divisors (see below), whose sum is σ = 6524997120. Its totient is φ = 1078425600.

The previous prime is 3158640721. The next prime is 3158640743. The reversal of 3158640730 is 370468513.

It is a super-2 number, since 2×3158640730² = 19954022522429865800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3158640730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77671 + ... + 111130.

It is an arithmetic number, because the mean of its divisors is an integer number (203906160).

Almost surely, 2^3158640730 is an apocalyptic number.

3158640730 is an abundant number, since it is smaller than the sum of its proper divisors (3366356390).

3158640730 is a wasteful number, since it uses less digits than its factorization.

3158640730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189054.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3158640730 is about 56201.7858257191. The cubic root of 3158640730 is about 1467.2363472804.

The spelling of 3158640730 in words is "three billion, one hundred fifty-eight million, six hundred forty thousand, seven hundred thirty".