2170028724 has 24 divisors (see below), whose sum is σ = 5085138240. Its totient is φ = 720237504.

The previous prime is 2170028677. The next prime is 2170028747. The reversal of 2170028724 is 4278200712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385264 + ... + 390855.

It is an arithmetic number, because the mean of its divisors is an integer number (211880760).

Almost surely, 2^2170028724 is an apocalyptic number.

It is an amenable number.

2170028724 is an abundant number, since it is smaller than the sum of its proper divisors (2915109516).

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

2170028724 is a wasteful number, since it uses less digits than its factorization.

2170028724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776359 (or 776357 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 2170028724 is about 46583.5671025738. The cubic root of 2170028724 is about 1294.6583027363.

The spelling of 2170028724 in words is "two billion, one hundred seventy million, twenty-eight thousand, seven hundred twenty-four".