7660090 has 32 divisors (see below), whose sum is σ = 14288400. Its totient is φ = 2955264.

The previous prime is 7660087. The next prime is 7660099. The reversal of 7660090 is 900667.

It can be written as a sum of positive squares in 8 ways, for example, as 2337841 + 5322249 = 1529^2 + 2307^2 .

It is not an unprimeable number, because it can be changed into a prime (7660099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51336 + ... + 51484.

Almost surely, 2^7660090 is an apocalyptic number.

7660090 is a deficient number, since it is larger than the sum of its proper divisors (6628310).

7660090 is a wasteful number, since it uses less digits than its factorization.

7660090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7660090 is about 2767.6867597328. The cubic root of 7660090 is about 197.1263243655.

The spelling of 7660090 in words is "seven million, six hundred sixty thousand, ninety".