75800025 has 144 divisors (see below), whose sum is σ = 174096000. Its totient is φ = 30689280.

The previous prime is 75800009. The next prime is 75800027. The reversal of 75800025 is 52000857.

It is a happy number.

It is not a de Polignac number, because 75800025 - 2⁴ = 75800009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75800027) 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 143 ways as a sum of consecutive naturals, for example, 508651 + ... + 508799.

It is an arithmetic number, because the mean of its divisors is an integer number (1209000).

Almost surely, 2^75800025 is an apocalyptic number.

75800025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75800025 is an abundant number, since it is smaller than the sum of its proper divisors (98295975).

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

75800025 is a wasteful number, since it uses less digits than its factorization.

75800025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 75800025 is about 8706.3209796102. The cubic root of 75800025 is about 423.2105150701.

The spelling of 75800025 in words is "seventy-five million, eight hundred thousand, twenty-five".