75270825 has 36 divisors (see below), whose sum is σ = 154081408. Its totient is φ = 34408800.

The previous prime is 75270823. The next prime is 75270857. The reversal of 75270825 is 52807257.

It is not a de Polignac number, because 75270825 - 2¹ = 75270823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75270825.

It is not an unprimeable number, because it can be changed into a prime (75270823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22321 + ... + 25470.

Almost surely, 2^75270825 is an apocalyptic number.

75270825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75270825 is an abundant number, since it is smaller than the sum of its proper divisors (78810583).

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

75270825 is a wasteful number, since it uses less digits than its factorization.

75270825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47814 (or 47806 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 75270825 is about 8675.8760364588. The cubic root of 75270825 is about 422.2233287778.

The spelling of 75270825 in words is "seventy-five million, two hundred seventy thousand, eight hundred twenty-five".