766090 has 32 divisors (see below), whose sum is σ = 1524096. Its totient is φ = 275520.

The previous prime is 766079. The next prime is 766091. The reversal of 766090 is 90667.

It is not an unprimeable number, because it can be changed into a prime (766091) 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, 9189 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (47628).

2⁷⁶⁶⁰⁹⁰ is an apocalyptic number.

766090 is a deficient number, since it is larger than the sum of its proper divisors (758006).

766090 is a wasteful number, since it uses less digits than its factorization.

766090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

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

The square root of 766090 is about 875.2656739528. The cubic root of 766090 is about 91.5011595700.

It can be divided in two parts, 7660 and 90, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 766090 in words is "seven hundred sixty-six thousand, ninety".