7499990 has 16 divisors (see below), whose sum is σ = 13538448. Its totient is φ = 2991456.

The previous prime is 7499981. The next prime is 7500013. The reversal of 7499990 is 999947.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3584 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (846153).

Almost surely, 2^7499990 is an apocalyptic number.

7499990 is a deficient number, since it is larger than the sum of its proper divisors (6038458).

7499990 is a wasteful number, since it uses less digits than its factorization.

7499990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 7499990 is about 2738.6109617834. The cubic root of 7499990 is about 195.7432950613.

The spelling of 7499990 in words is "seven million, four hundred ninety-nine thousand, nine hundred ninety".