3172432380 has 96 divisors (see below), whose sum is σ = 9896040000. Its totient is φ = 753973248.

The previous prime is 3172432369. The next prime is 3172432387. The reversal of 3172432380 is 832342713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172432387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47505 + ... + 92744.

It is an arithmetic number, because the mean of its divisors is an integer number (103083750).

Almost surely, 2^3172432380 is an apocalyptic number.

3172432380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3172432380 is an abundant number, since it is smaller than the sum of its proper divisors (6723607620).

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

3172432380 is a wasteful number, since it uses less digits than its factorization.

3172432380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140303 (or 140301 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 3172432380 is about 56324.3497965134. The cubic root of 3172432380 is about 1469.3687233439.

The spelling of 3172432380 in words is "three billion, one hundred seventy-two million, four hundred thirty-two thousand, three hundred eighty".