3172473 has 8 divisors (see below), whose sum is σ = 4700000. Its totient is φ = 2114964.

The previous prime is 3172471. The next prime is 3172501. The reversal of 3172473 is 3742713.

It is not a de Polignac number, because 3172473 - 2¹ = 3172471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 117499 = 3172473 / (3 + 1 + 7 + 2 + 4 + 7 + 3).

It is a Duffinian number.

3172473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3172471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58723 + ... + 58776.

It is an arithmetic number, because the mean of its divisors is an integer number (587500).

Almost surely, 2^3172473 is an apocalyptic number.

It is an amenable number.

3172473 is a deficient number, since it is larger than the sum of its proper divisors (1527527).

3172473 is a wasteful number, since it uses less digits than its factorization.

3172473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117508 (or 117502 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 3172473 is about 1781.1437336723. The cubic root of 3172473 is about 146.9374994610.

The spelling of 3172473 in words is "three million, one hundred seventy-two thousand, four hundred seventy-three".