761012660 has 24 divisors (see below), whose sum is σ = 1599871560. Its totient is φ = 304072704.

The previous prime is 761012657. The next prime is 761012713. The reversal of 761012660 is 66210167.

It can be written as a sum of positive squares in 4 ways, for example, as 9265936 + 751746724 = 3044^2 + 27418^2 .

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, 1565 + ... + 39044.

It is an arithmetic number, because the mean of its divisors is an integer number (66661315).

Almost surely, 2^761012660 is an apocalyptic number.

It is an amenable number.

761012660 is an abundant number, since it is smaller than the sum of its proper divisors (838858900).

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

761012660 is a wasteful number, since it uses less digits than its factorization.

761012660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41555 (or 41553 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 761012660 is about 27586.4579096338. The cubic root of 761012660 is about 912.9856690278.

The spelling of 761012660 in words is "seven hundred sixty-one million, twelve thousand, six hundred sixty".