2787674 has 4 divisors (see below), whose sum is σ = 4181514. Its totient is φ = 1393836.

The previous prime is 2787649. The next prime is 2787689. The reversal of 2787674 is 4767872.

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., 2745649 + 42025 = 1657^2 + 205^2 .

It is a super-2 number, since 2×2787674² = 15542252660552, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696917 + ... + 696920.

2^2787674 is an apocalyptic number.

2787674 is a deficient number, since it is larger than the sum of its proper divisors (1393840).

2787674 is a wasteful number, since it uses less digits than its factorization.

2787674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393839.

The product of its digits is 131712, while the sum is 41.

The square root of 2787674 is about 1669.6328937823. The cubic root of 2787674 is about 140.7388489726.

The spelling of 2787674 in words is "two million, seven hundred eighty-seven thousand, six hundred seventy-four".