75489825 has 12 divisors (see below), whose sum is σ = 124809968. Its totient is φ = 40261200.

The previous prime is 75489797. The next prime is 75489847. The reversal of 75489825 is 52898457.

It is not a de Polignac number, because 75489825 - 2⁹ = 75489313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503191 + ... + 503340.

Almost surely, 2^75489825 is an apocalyptic number.

75489825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75489825 is a deficient number, since it is larger than the sum of its proper divisors (49320143).

75489825 is a wasteful number, since it uses less digits than its factorization.

75489825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006544 (or 1006539 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 75489825 is about 8688.4880733071. The cubic root of 75489825 is about 422.6324176750.

The spelling of 75489825 in words is "seventy-five million, four hundred eighty-nine thousand, eight hundred twenty-five".