75342825 has 72 divisors (see below), whose sum is σ = 145372640. Its totient is φ = 38253600.

The previous prime is 75342821. The next prime is 75342851. The reversal of 75342825 is 52824357.

It is not a de Polignac number, because 75342825 - 2² = 75342821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75342825.

It is not an unprimeable number, because it can be changed into a prime (75342821) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 356970 + ... + 357180.

Almost surely, 2^75342825 is an apocalyptic number.

75342825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75342825 is a deficient number, since it is larger than the sum of its proper divisors (70029815).

75342825 is a wasteful number, since it uses less digits than its factorization.

75342825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 242 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 75342825 is about 8680.0244815323. The cubic root of 75342825 is about 422.3579112086.

It can be divided in two parts, 75342 and 825, that added together give a palindrome (76167).

The spelling of 75342825 in words is "seventy-five million, three hundred forty-two thousand, eight hundred twenty-five".