7422491 has 8 divisors (see below), whose sum is σ = 7892640. Its totient is φ = 6964672.

The previous prime is 7422487. The next prime is 7422497. The reversal of 7422491 is 1942247.

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 7422491 - 2² = 7422487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7422497) 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, 1826 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (986580).

Almost surely, 2^7422491 is an apocalyptic number.

7422491 is a deficient number, since it is larger than the sum of its proper divisors (470149).

7422491 is a wasteful number, since it uses less digits than its factorization.

7422491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165.

The product of its digits is 4032, while the sum is 29.

The square root of 7422491 is about 2724.4248934408. The cubic root of 7422491 is about 195.0667402495.

The spelling of 7422491 in words is "seven million, four hundred twenty-two thousand, four hundred ninety-one".