75666760 has 32 divisors (see below), whose sum is σ = 183347640. Its totient is φ = 27938304.

The previous prime is 75666737. The next prime is 75666761. The reversal of 75666760 is 6766657.

It can be written as a sum of positive squares in 4 ways, for example, as 47087044 + 28579716 = 6862^2 + 5346^2 .

It is not an unprimeable number, because it can be changed into a prime (75666761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72237 + ... + 73276.

Almost surely, 2^75666760 is an apocalyptic number.

It is an amenable number.

75666760 is an abundant number, since it is smaller than the sum of its proper divisors (107680880).

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

75666760 is a wasteful number, since it uses less digits than its factorization.

75666760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145537 (or 145533 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 75666760 is about 8698.6642652766. The cubic root of 75666760 is about 422.9623522951.

The spelling of 75666760 in words is "seventy-five million, six hundred sixty-six thousand, seven hundred sixty".