75318012 has 120 divisors (see below), whose sum is σ = 245562240. Its totient is φ = 19556640.

The previous prime is 75318011. The next prime is 75318059. The reversal of 75318012 is 21081357.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75318011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23439 + ... + 26457.

It is an arithmetic number, because the mean of its divisors is an integer number (2046352).

Almost surely, 2^75318012 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 75318012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122781120).

75318012 is an abundant number, since it is smaller than the sum of its proper divisors (170244228).

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

75318012 is a wasteful number, since it uses less digits than its factorization.

75318012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 75318012 is about 8678.5950475869. The cubic root of 75318012 is about 422.3115404248.

Adding to 75318012 its reverse (21081357), we get a palindrome (96399369).

The spelling of 75318012 in words is "seventy-five million, three hundred eighteen thousand, twelve".