75989816 has 32 divisors (see below), whose sum is σ = 171408000. Its totient is φ = 30852576.

The previous prime is 75989807. The next prime is 75989821. The reversal of 75989816 is 61898957.

It is a congruent number.

It is an unprimeable number.

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, 34646 + ... + 36773.

It is an arithmetic number, because the mean of its divisors is an integer number (5356500).

Almost surely, 2^75989816 is an apocalyptic number.

75989816 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

75989816 is an abundant number, since it is smaller than the sum of its proper divisors (95418184).

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

75989816 is a wasteful number, since it uses less digits than its factorization.

75989816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71451 (or 71447 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 53.

The square root of 75989816 is about 8717.2137750545. The cubic root of 75989816 is about 423.5634375683.

The spelling of 75989816 in words is "seventy-five million, nine hundred eighty-nine thousand, eight hundred sixteen".