3157432705 has 16 divisors (see below), whose sum is σ = 4331124864. Its totient is φ = 2164631040.

The previous prime is 3157432699. The next prime is 3157432717. The reversal of 3157432705 is 5072347513.

It is not a de Polignac number, because 3157432705 - 2⁹ = 3157432193 is a prime.

It is a Duffinian number.

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, 264465 + ... + 276145.

It is an arithmetic number, because the mean of its divisors is an integer number (270695304).

Almost surely, 2^3157432705 is an apocalyptic number.

3157432705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3157432705 is a deficient number, since it is larger than the sum of its proper divisors (1173692159).

3157432705 is a wasteful number, since it uses less digits than its factorization.

3157432705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 3157432705 is about 56191.0375860777. The cubic root of 3157432705 is about 1467.0492748076.

The spelling of 3157432705 in words is "three billion, one hundred fifty-seven million, four hundred thirty-two thousand, seven hundred five".