3172039272 has 64 divisors (see below), whose sum is σ = 8889264000. Its totient is φ = 1047981312.

The previous prime is 3172039271. The next prime is 3172039279. The reversal of 3172039272 is 2729302713.

3172039272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3172039272² = 20123666286220579968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3172039271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40572 + ... + 89387.

It is an arithmetic number, because the mean of its divisors is an integer number (138894750).

Almost surely, 2^3172039272 is an apocalyptic number.

It is an amenable number.

3172039272 is an abundant number, since it is smaller than the sum of its proper divisors (5717224728).

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

3172039272 is a wasteful number, since it uses less digits than its factorization.

3172039272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130087 (or 130077 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 3172039272 is about 56320.8600076384. The cubic root of 3172039272 is about 1469.3080291729.

The spelling of 3172039272 in words is "three billion, one hundred seventy-two million, thirty-nine thousand, two hundred seventy-two".