75112500 has 72 divisors (see below), whose sum is σ = 219173472. Its totient is φ = 20020000.

The previous prime is 75112483. The next prime is 75112507. The reversal of 75112500 is 521157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75112507) 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, 36499 + ... + 38501.

It is an arithmetic number, because the mean of its divisors is an integer number (3044076).

Almost surely, 2^75112500 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 75112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109586736).

75112500 is an abundant number, since it is smaller than the sum of its proper divisors (144060972).

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

75112500 is a wasteful number, since it uses less digits than its factorization.

75112500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 75112500 is about 8666.7467945014. The cubic root of 75112500 is about 421.9270854759.

Adding to 75112500 its reverse (521157), we get a palindrome (75633657).

It can be divided in two parts, 7511 and 2500, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 75112500 in words is "seventy-five million, one hundred twelve thousand, five hundred".