2457874 has 4 divisors (see below), whose sum is σ = 3686814. Its totient is φ = 1228936.

The previous prime is 2457869. The next prime is 2457893. The reversal of 2457874 is 4787542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 8649 = 1565^2 + 93^2 .

It is a super-2 number, since 2×2457874² = 12082289199752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614467 + ... + 614470.

2^2457874 is an apocalyptic number.

2457874 is a deficient number, since it is larger than the sum of its proper divisors (1228940).

2457874 is a wasteful number, since it uses less digits than its factorization.

2457874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228939.

The product of its digits is 62720, while the sum is 37.

The square root of 2457874 is about 1567.7608235952. The cubic root of 2457874 is about 134.9542414648.

The spelling of 2457874 in words is "two million, four hundred fifty-seven thousand, eight hundred seventy-four".