2672491 has 4 divisors (see below), whose sum is σ = 2706400. Its totient is φ = 2638584.

The previous prime is 2672477. The next prime is 2672497. The reversal of 2672491 is 1942762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1942762 = 2 ⋅971381.

It is a cyclic number.

It is not a de Polignac number, because 2672491 - 2⁷ = 2672363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2672497) 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, 16836 + ... + 16993.

It is an arithmetic number, because the mean of its divisors is an integer number (676600).

2^2672491 is an apocalyptic number.

2672491 is a deficient number, since it is larger than the sum of its proper divisors (33909).

2672491 is an equidigital number, since it uses as much as digits as its factorization.

2672491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33908.

The product of its digits is 6048, while the sum is 31.

The square root of 2672491 is about 1634.7755197580. The cubic root of 2672491 is about 138.7731406363.

The spelling of 2672491 in words is "two million, six hundred seventy-two thousand, four hundred ninety-one".