75949825 has 24 divisors (see below), whose sum is σ = 110145728. Its totient is φ = 50863680.

The previous prime is 75949823. The next prime is 75949837. The reversal of 75949825 is 52894957.

It is not a de Polignac number, because 75949825 - 2¹ = 75949823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75949823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2479 + ... + 12571.

Almost surely, 2^75949825 is an apocalyptic number.

It is an amenable number.

75949825 is a deficient number, since it is larger than the sum of its proper divisors (34195903).

75949825 is a wasteful number, since it uses less digits than its factorization.

75949825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10153 (or 10148 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 75949825 is about 8714.9196783447. The cubic root of 75949825 is about 423.4891219182.

The spelling of 75949825 in words is "seventy-five million, nine hundred forty-nine thousand, eight hundred twenty-five".