75685300 has 18 divisors (see below), whose sum is σ = 164237318. Its totient is φ = 30274080.

The previous prime is 75685283. The next prime is 75685307. The reversal of 75685300 is 358657.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7193124 + 68492176 = 2682^2 + 8276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75685307) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 378327 + ... + 378526.

Almost surely, 2^75685300 is an apocalyptic number.

It is an amenable number.

75685300 is an abundant number, since it is smaller than the sum of its proper divisors (88552018).

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

75685300 is a wasteful number, since it uses less digits than its factorization.

75685300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756867 (or 756860 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 75685300 is about 8699.7298808641. The cubic root of 75685300 is about 422.9968944623.

The spelling of 75685300 in words is "seventy-five million, six hundred eighty-five thousand, three hundred".