2870724 has 24 divisors (see below), whose sum is σ = 6915328. Its totient is φ = 925920.

The previous prime is 2870717. The next prime is 2870753. The reversal of 2870724 is 4270782.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2870691 and 2870700.

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, 3487 + ... + 4230.

2^2870724 is an apocalyptic number.

It is an amenable number.

2870724 is an abundant number, since it is smaller than the sum of its proper divisors (4044604).

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

2870724 is a wasteful number, since it uses less digits than its factorization.

2870724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755 (or 7753 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 2870724 is about 1694.3211029790. The cubic root of 2870724 is about 142.1228190858.

The spelling of 2870724 in words is "two million, eight hundred seventy thousand, seven hundred twenty-four".