2872137 has 8 divisors (see below), whose sum is σ = 3867840. Its totient is φ = 1895600.

The previous prime is 2872109. The next prime is 2872139. The reversal of 2872137 is 7312782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2872137 - 2⁸ = 2871881 is a prime.

2872137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2872139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4437 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (483480).

2^2872137 is an apocalyptic number.

It is an amenable number.

2872137 is a deficient number, since it is larger than the sum of its proper divisors (995703).

2872137 is a wasteful number, since it uses less digits than its factorization.

2872137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9583.

The product of its digits is 4704, while the sum is 30.

The square root of 2872137 is about 1694.7380328535. The cubic root of 2872137 is about 142.1461333675.

The spelling of 2872137 in words is "two million, eight hundred seventy-two thousand, one hundred thirty-seven".