7426990 has 8 divisors (see below), whose sum is σ = 13368600. Its totient is φ = 2970792.

The previous prime is 7426981. The next prime is 7427009. The reversal of 7426990 is 996247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371340 + ... + 371359.

It is an arithmetic number, because the mean of its divisors is an integer number (1671075).

Almost surely, 2^7426990 is an apocalyptic number.

7426990 is a deficient number, since it is larger than the sum of its proper divisors (5941610).

7426990 is a wasteful number, since it uses less digits than its factorization.

7426990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742706.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 7426990 is about 2725.2504472066. The cubic root of 7426990 is about 195.1061442721.

The spelling of 7426990 in words is "seven million, four hundred twenty-six thousand, nine hundred ninety".