6372491 has 4 divisors (see below), whose sum is σ = 6449352. Its totient is φ = 6295632.

The previous prime is 6372481. The next prime is 6372503. The reversal of 6372491 is 1942736.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6372491 - 2¹⁸ = 6110347 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6372481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38306 + ... + 38471.

It is an arithmetic number, because the mean of its divisors is an integer number (1612338).

Almost surely, 2^6372491 is an apocalyptic number.

6372491 is a deficient number, since it is larger than the sum of its proper divisors (76861).

6372491 is an equidigital number, since it uses as much as digits as its factorization.

6372491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76860.

The product of its digits is 9072, while the sum is 32.

The square root of 6372491 is about 2524.3793296571. The cubic root of 6372491 is about 185.3971599111.

The spelling of 6372491 in words is "six million, three hundred seventy-two thousand, four hundred ninety-one".