761660 has 12 divisors (see below), whose sum is σ = 1599528. Its totient is φ = 304656.

The previous prime is 761633. The next prime is 761669. The reversal of 761660 is 66167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761669) by changing a digit.

761660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19022 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (133294).

2⁷⁶¹⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

761660 is an abundant number, since it is smaller than the sum of its proper divisors (837868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761660 is a wasteful number, since it uses less digits than its factorization.

761660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38092 (or 38090 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 761660 is about 872.7313446875. The cubic root of 761660 is about 91.3244466582.

The spelling of 761660 in words is "seven hundred sixty-one thousand, six hundred sixty".