2872637 has 4 divisors (see below), whose sum is σ = 2876160. Its totient is φ = 2869116.

The previous prime is 2872621. The next prime is 2872669. The reversal of 2872637 is 7362782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2872637 - 2⁴ = 2872621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2872597 and 2872606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (719040).

2^2872637 is an apocalyptic number.

It is an amenable number.

2872637 is a deficient number, since it is larger than the sum of its proper divisors (3523).

2872637 is a wasteful number, since it uses less digits than its factorization.

2872637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522.

The product of its digits is 28224, while the sum is 35.

The square root of 2872637 is about 1694.8855418582. The cubic root of 2872637 is about 142.1543814586.

The spelling of 2872637 in words is "two million, eight hundred seventy-two thousand, six hundred thirty-seven".