75999680 has 56 divisors (see below), whose sum is σ = 181721760. Its totient is φ = 30274560.

The previous prime is 75999667. The next prime is 75999689. The reversal of 75999680 is 8699957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75999689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140210 + ... + 140750.

Almost surely, 2^75999680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75999680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90860880).

75999680 is an abundant number, since it is smaller than the sum of its proper divisors (105722080).

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

75999680 is a wasteful number, since it uses less digits than its factorization.

75999680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 75999680 is about 8717.7795338033. The cubic root of 75999680 is about 423.5817639231.

The spelling of 75999680 in words is "seventy-five million, nine hundred ninety-nine thousand, six hundred eighty".