30755868 has 48 divisors (see below), whose sum is σ = 84314496. Its totient is φ = 8602560.

The previous prime is 30755867. The next prime is 30755891. The reversal of 30755868 is 86855703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30755861) 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, 7246 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (1756552).

Almost surely, 2^30755868 is an apocalyptic number.

It is an amenable number.

30755868 is an abundant number, since it is smaller than the sum of its proper divisors (53558628).

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

30755868 is a wasteful number, since it uses less digits than its factorization.

30755868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17954 (or 17952 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 30755868 is about 5545.7973277068. The cubic root of 30755868 is about 313.3112549204.

The spelling of 30755868 in words is "thirty million, seven hundred fifty-five thousand, eight hundred sixty-eight".