75631025 has 6 divisors (see below), whose sum is σ = 93782502. Its totient is φ = 60504800.

The previous prime is 75631021. The next prime is 75631057. The reversal of 75631025 is 52013657.

It can be written as a sum of positive squares in 3 ways, for example, as 10609 + 75620416 = 103^2 + 8696^2 .

It is not a de Polignac number, because 75631025 - 2² = 75631021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75631021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1512596 + ... + 1512645.

It is an arithmetic number, because the mean of its divisors is an integer number (15630417).

Almost surely, 2^75631025 is an apocalyptic number.

It is an amenable number.

75631025 is a deficient number, since it is larger than the sum of its proper divisors (18151477).

75631025 is a wasteful number, since it uses less digits than its factorization.

75631025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025251 (or 3025246 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 75631025 is about 8696.6099717074. The cubic root of 75631025 is about 422.8957579294.

The spelling of 75631025 in words is "seventy-five million, six hundred thirty-one thousand, twenty-five".