2457872 has 20 divisors (see below), whose sum is σ = 4969920. Its totient is φ = 1175328.

The previous prime is 2457869. The next prime is 2457893. The reversal of 2457872 is 2787542.

It is a super-2 number, since 2×2457872² = 12082269536768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972 + ... + 3707.

It is an arithmetic number, because the mean of its divisors is an integer number (248496).

2^2457872 is an apocalyptic number.

It is an amenable number.

2457872 is an abundant number, since it is smaller than the sum of its proper divisors (2512048).

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

2457872 is a wasteful number, since it uses less digits than its factorization.

2457872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710 (or 6704 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2457872 is about 1567.7601857427. The cubic root of 2457872 is about 134.9542048602.

The spelling of 2457872 in words is "two million, four hundred fifty-seven thousand, eight hundred seventy-two".