3072491 has 4 divisors (see below), whose sum is σ = 3084984. Its totient is φ = 3060000.

The previous prime is 3072481. The next prime is 3072523. The reversal of 3072491 is 1942703.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3072491 is a prime.

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 3072491.

It is not an unprimeable number, because it can be changed into a prime (3072431) 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, 5870 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (771246).

Almost surely, 2^3072491 is an apocalyptic number.

3072491 is a deficient number, since it is larger than the sum of its proper divisors (12493).

3072491 is a wasteful number, since it uses less digits than its factorization.

3072491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3072491 is about 1752.8522470534. The cubic root of 3072491 is about 145.3773918596.

The spelling of 3072491 in words is "three million, seventy-two thousand, four hundred ninety-one".