7490666 has 8 divisors (see below), whose sum is σ = 11252640. Its totient is φ = 3739788.

The previous prime is 7490653. The next prime is 7490683. The reversal of 7490666 is 6660947.

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

It is a super-2 number, since 2×7490666² = 112220154247112, which contains 22 as substring.

It is an unprimeable number.

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, 806 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (1406580).

Almost surely, 2^7490666 is an apocalyptic number.

7490666 is a deficient number, since it is larger than the sum of its proper divisors (3761974).

7490666 is a wasteful number, since it uses less digits than its factorization.

7490666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 7490666 is about 2736.9081095280. The cubic root of 7490666 is about 195.6621452939.

The spelling of 7490666 in words is "seven million, four hundred ninety thousand, six hundred sixty-six".