3172730 has 16 divisors (see below), whose sum is σ = 6230304. Its totient is φ = 1153680.

The previous prime is 3172723. The next prime is 3172733. The reversal of 3172730 is 372713.

3172730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3172696 and 3172705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14312 + ... + 14531.

It is an arithmetic number, because the mean of its divisors is an integer number (389394).

Almost surely, 2^3172730 is an apocalyptic number.

3172730 is a deficient number, since it is larger than the sum of its proper divisors (3057574).

3172730 is a wasteful number, since it uses less digits than its factorization.

3172730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28861.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 3172730 is about 1781.2158768661. The cubic root of 3172730 is about 146.9414671247.

The spelling of 3172730 in words is "three million, one hundred seventy-two thousand, seven hundred thirty".