75685425 has 12 divisors (see below), whose sum is σ = 125133360. Its totient is φ = 40365520.

The previous prime is 75685409. The next prime is 75685427. The reversal of 75685425 is 52458657.

It is not a de Polignac number, because 75685425 - 2⁴ = 75685409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75685427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504495 + ... + 504644.

It is an arithmetic number, because the mean of its divisors is an integer number (10427780).

Almost surely, 2^75685425 is an apocalyptic number.

75685425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75685425 is a deficient number, since it is larger than the sum of its proper divisors (49447935).

75685425 is a wasteful number, since it uses less digits than its factorization.

75685425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009152 (or 1009147 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 75685425 is about 8699.7370649923. The cubic root of 75685425 is about 422.9971273327.

The spelling of 75685425 in words is "seventy-five million, six hundred eighty-five thousand, four hundred twenty-five".