3172975 has 18 divisors (see below), whose sum is σ = 4266096. Its totient is φ = 2340000.

The previous prime is 3172973. The next prime is 3172987. The reversal of 3172975 is 5792713.

It is not a de Polignac number, because 3172975 - 2¹ = 3172973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3172975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3850 + ... + 4600.

Almost surely, 2^3172975 is an apocalyptic number.

3172975 is a deficient number, since it is larger than the sum of its proper divisors (1093121).

3172975 is a wasteful number, since it uses less digits than its factorization.

3172975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 769 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 3172975 is about 1781.2846487858. The cubic root of 3172975 is about 146.9452493283.

The spelling of 3172975 in words is "three million, one hundred seventy-two thousand, nine hundred seventy-five".