75225712 has 40 divisors (see below), whose sum is σ = 154074960. Its totient is φ = 35481600.

The previous prime is 75225701. The next prime is 75225713. The reversal of 75225712 is 21752257.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75225713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106962 + ... + 107662.

It is an arithmetic number, because the mean of its divisors is an integer number (3851874).

Almost surely, 2^75225712 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 75225712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77037480).

75225712 is an abundant number, since it is smaller than the sum of its proper divisors (78849248).

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

75225712 is a wasteful number, since it uses less digits than its factorization.

75225712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 75225712 is about 8673.2757364216. The cubic root of 75225712 is about 422.1389598000.

Adding to 75225712 its reverse (21752257), we get a palindrome (96977969).

The spelling of 75225712 in words is "seventy-five million, two hundred twenty-five thousand, seven hundred twelve".