7490690 has 8 divisors (see below), whose sum is σ = 13483260. Its totient is φ = 2996272.

The previous prime is 7490683. The next prime is 7490723. The reversal of 7490690 is 960947.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7360369 + 130321 = 2713^2 + 361^2 .

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

It is a super-2 number, since 2×7490690² = 112220873352200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7490690.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374525 + ... + 374544.

Almost surely, 2^7490690 is an apocalyptic number.

7490690 is a deficient number, since it is larger than the sum of its proper divisors (5992570).

7490690 is a wasteful number, since it uses less digits than its factorization.

7490690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749076.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 7490690 is about 2736.9124940341. The cubic root of 7490690 is about 195.6623542600.

The spelling of 7490690 in words is "seven million, four hundred ninety thousand, six hundred ninety".