3157040730 has 16 divisors (see below), whose sum is σ = 7576897824. Its totient is φ = 841877520.

The previous prime is 3157040707. The next prime is 3157040753. The reversal of 3157040730 is 370407513.

It is an interprime number because it is at equal distance from previous prime (3157040707) and next prime (3157040753).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 105234691 = 3157040730 / (3 + 1 + 5 + 7 + 0 + 4 + 0 + 7 + 3 + 0).

It is a Curzon number.

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, 52617316 + ... + 52617375.

It is an arithmetic number, because the mean of its divisors is an integer number (473556114).

Almost surely, 2^3157040730 is an apocalyptic number.

3157040730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3157040730 is an abundant number, since it is smaller than the sum of its proper divisors (4419857094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157040730 is a wasteful number, since it uses less digits than its factorization.

3157040730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105234701.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 3157040730 is about 56187.5495995332. The cubic root of 3157040730 is about 1466.9885640455.

The spelling of 3157040730 in words is "three billion, one hundred fifty-seven million, forty thousand, seven hundred thirty".