75820852 has 6 divisors (see below), whose sum is σ = 132686498. Its totient is φ = 37910424.

The previous prime is 75820847. The next prime is 75820859. The reversal of 75820852 is 25802857.

It can be written as a sum of positive squares in only one way, i.e., 41293476 + 34527376 = 6426^2 + 5876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75820859) 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 as a sum of consecutive naturals, namely, 9477603 + ... + 9477610.

Almost surely, 2^75820852 is an apocalyptic number.

It is an amenable number.

75820852 is a deficient number, since it is larger than the sum of its proper divisors (56865646).

75820852 is a wasteful number, since it uses less digits than its factorization.

75820852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18955217 (or 18955215 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 75820852 is about 8707.5169824698. The cubic root of 75820852 is about 423.2492723055.

The spelling of 75820852 in words is "seventy-five million, eight hundred twenty thousand, eight hundred fifty-two".