2672567491 has 8 divisors (see below), whose sum is σ = 2932383024. Its totient is φ = 2415561120.

The previous prime is 2672567459. The next prime is 2672567497. The reversal of 2672567491 is 1947652762.

It is a happy number.

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 2672567491 - 2⁵ = 2672567459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2672567497) 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, 700296 + ... + 704101.

It is an arithmetic number, because the mean of its divisors is an integer number (366547878).

Almost surely, 2^2672567491 is an apocalyptic number.

2672567491 is a deficient number, since it is larger than the sum of its proper divisors (259815533).

2672567491 is a wasteful number, since it uses less digits than its factorization.

2672567491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404581.

The product of its digits is 1270080, while the sum is 49.

The square root of 2672567491 is about 51696.8808633558. The cubic root of 2672567491 is about 1387.7446459394.

The spelling of 2672567491 in words is "two billion, six hundred seventy-two million, five hundred sixty-seven thousand, four hundred ninety-one".