75528630 has 24 divisors (see below), whose sum is σ = 196374672. Its totient is φ = 20140944.

The previous prime is 75528613. The next prime is 75528641. The reversal of 75528630 is 3682557.

75528630 is a `hidden beast` number, since 75 + 528 + 63 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419514 + ... + 419693.

It is an arithmetic number, because the mean of its divisors is an integer number (8182278).

Almost surely, 2^75528630 is an apocalyptic number.

75528630 is an abundant number, since it is smaller than the sum of its proper divisors (120846042).

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

75528630 is a wasteful number, since it uses less digits than its factorization.

75528630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839220 (or 839217 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 75528630 is about 8690.7209137102. The cubic root of 75528630 is about 422.7048223186.

The spelling of 75528630 in words is "seventy-five million, five hundred twenty-eight thousand, six hundred thirty".