30755136 has 28 divisors (see below), whose sum is σ = 81373472. Its totient is φ = 10251648.

The previous prime is 30755093. The next prime is 30755143. The reversal of 30755136 is 63155703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79900 + ... + 80283.

Almost surely, 2^30755136 is an apocalyptic number.

It is an amenable number.

30755136 is an abundant number, since it is smaller than the sum of its proper divisors (50618336).

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

30755136 is a wasteful number, since it uses less digits than its factorization.

30755136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160198 (or 160188 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 30755136 is about 5545.7313313935. The cubic root of 30755136 is about 313.3087692629.

The spelling of 30755136 in words is "thirty million, seven hundred fifty-five thousand, one hundred thirty-six".