75085836 has 72 divisors (see below), whose sum is σ = 204983856. Its totient is φ = 21329280.

The previous prime is 75085831. The next prime is 75085841. The reversal of 75085836 is 63858057.

It is an interprime number because it is at equal distance from previous prime (75085831) and next prime (75085841).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (75085831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162646 + ... + 163106.

It is an arithmetic number, because the mean of its divisors is an integer number (2846998).

Almost surely, 2^75085836 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 75085836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102491928).

75085836 is an abundant number, since it is smaller than the sum of its proper divisors (129898020).

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

75085836 is a wasteful number, since it uses less digits than its factorization.

75085836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 75085836 is about 8665.2083644884. The cubic root of 75085836 is about 421.8771532839.

The spelling of 75085836 in words is "seventy-five million, eighty-five thousand, eight hundred thirty-six".