6377491 has 4 divisors (see below), whose sum is σ = 6382552. Its totient is φ = 6372432.

The previous prime is 6377467. The next prime is 6377519. The reversal of 6377491 is 1947736.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6377491 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 3¹² + 7⁵ + 7⁸ + 4⁶ + 9⁵ + 1 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6377491.

It is not an unprimeable number, because it can be changed into a prime (6377401) 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, 1036 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (1595638).

Almost surely, 2^6377491 is an apocalyptic number.

6377491 is a deficient number, since it is larger than the sum of its proper divisors (5061).

6377491 is a wasteful number, since it uses less digits than its factorization.

6377491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060.

The product of its digits is 31752, while the sum is 37.

The square root of 6377491 is about 2525.3694779180. The cubic root of 6377491 is about 185.4456361643.

It can be divided in two parts, 637 and 7491, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 6377491 in words is "six million, three hundred seventy-seven thousand, four hundred ninety-one".