3927402730 has 16 divisors (see below), whose sum is σ = 7485167880. Its totient is φ = 1478551552.

The previous prime is 3927402727. The next prime is 3927402763. The reversal of 3927402730 is 372047293.

It can be written as a sum of positive squares in 4 ways, for example, as 2817380241 + 1110022489 = 53079^2 + 33317^2 .

It is a super-2 number, since 2×3927402730² = 30848984407222905800, 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 3927402730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11551015 + ... + 11551354.

Almost surely, 2^3927402730 is an apocalyptic number.

3927402730 is a deficient number, since it is larger than the sum of its proper divisors (3557765150).

3927402730 is a wasteful number, since it uses less digits than its factorization.

3927402730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23102393.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 3927402730 is about 62668.9933699274. The cubic root of 3927402730 is about 1577.7389452722.

The spelling of 3927402730 in words is "three billion, nine hundred twenty-seven million, four hundred two thousand, seven hundred thirty".