3172478372 has 24 divisors (see below), whose sum is σ = 6549634560. Its totient is φ = 1315774080.

The previous prime is 3172478363. The next prime is 3172478501. The reversal of 3172478372 is 2738742713.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826597 + ... + 1828332.

It is an arithmetic number, because the mean of its divisors is an integer number (272901440).

Almost surely, 2^3172478372 is an apocalyptic number.

It is an amenable number.

3172478372 is an abundant number, since it is smaller than the sum of its proper divisors (3377156188).

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

3172478372 is a wasteful number, since it uses less digits than its factorization.

3172478372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654971 (or 3654969 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 3172478372 is about 56324.7580731600. The cubic root of 3172478372 is about 1469.3758239817.

The spelling of 3172478372 in words is "three billion, one hundred seventy-two million, four hundred seventy-eight thousand, three hundred seventy-two".