75425634 has 32 divisors (see below), whose sum is σ = 177474240. Its totient is φ = 23662656.

The previous prime is 75425629. The next prime is 75425639. The reversal of 75425634 is 43652457.

It is an interprime number because it is at equal distance from previous prime (75425629) and next prime (75425639).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75425639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40164 + ... + 41999.

It is an arithmetic number, because the mean of its divisors is an integer number (5546070).

Almost surely, 2^75425634 is an apocalyptic number.

75425634 is an abundant number, since it is smaller than the sum of its proper divisors (102048606).

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

75425634 is a wasteful number, since it uses less digits than its factorization.

75425634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82191 (or 82185 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 75425634 is about 8684.7932617881. The cubic root of 75425634 is about 422.5125918542.

The spelling of 75425634 in words is "seventy-five million, four hundred twenty-five thousand, six hundred thirty-four".