75732225 has 24 divisors (see below), whose sum is σ = 129253632. Its totient is φ = 39086400.

The previous prime is 75732211. The next prime is 75732269. The reversal of 75732225 is 52223757.

It is not a de Polignac number, because 75732225 - 2¹¹ = 75730177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13962 + ... + 18611.

It is an arithmetic number, because the mean of its divisors is an integer number (5385568).

Almost surely, 2^75732225 is an apocalyptic number.

75732225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75732225 is a deficient number, since it is larger than the sum of its proper divisors (53521407).

75732225 is a wasteful number, since it uses less digits than its factorization.

75732225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32617 (or 32612 counting only the distinct ones).

The product of its digits is 29400, while the sum is 33.

The square root of 75732225 is about 8702.4263857846. The cubic root of 75732225 is about 423.0842959724.

It can be divided in two parts, 75732 and 225, that added together give a palindrome (75957).

The spelling of 75732225 in words is "seventy-five million, seven hundred thirty-two thousand, two hundred twenty-five".