3470720 has 128 divisors (see below), whose sum is σ = 9914400. Its totient is φ = 1146880.

The previous prime is 3470713. The next prime is 3470741. The reversal of 3470720 is 270743.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119666 + ... + 119694.

Almost surely, 2^3470720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4957200).

3470720 is an abundant number, since it is smaller than the sum of its proper divisors (6443680).

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

3470720 is a wasteful number, since it uses less digits than its factorization.

3470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 3470720 is about 1862.9868491216. The cubic root of 3470720 is about 151.4048751678.

Adding to 3470720 its sum of digits (23), we get a palindrome (3470743).

The spelling of 3470720 in words is "three million, four hundred seventy thousand, seven hundred twenty".