3117072 has 40 divisors (see below), whose sum is σ = 9203776. Its totient is φ = 890496.

The previous prime is 3117071. The next prime is 3117097. The reversal of 3117072 is 2707113.

It is a super-2 number, since 2×3117072² = 19432275706368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3117071) 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, 4303 + ... + 4974.

Almost surely, 2^3117072 is an apocalyptic number.

It is an amenable number.

3117072 is an abundant number, since it is smaller than the sum of its proper divisors (6086704).

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

3117072 is a wasteful number, since it uses less digits than its factorization.

3117072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295 (or 9289 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 3117072 is about 1765.5231519298. The cubic root of 3117072 is about 146.0771469431.

The spelling of 3117072 in words is "three million, one hundred seventeen thousand, seventy-two".