30755672 has 32 divisors (see below), whose sum is σ = 59382720. Its totient is φ = 14926080.

The previous prime is 30755663. The next prime is 30755713. The reversal of 30755672 is 27655703.

It is a super-3 number, since 3×30755672³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58772 + ... + 59292.

It is an arithmetic number, because the mean of its divisors is an integer number (1855710).

Almost surely, 2^30755672 is an apocalyptic number.

It is an amenable number.

30755672 is a deficient number, since it is larger than the sum of its proper divisors (28627048).

30755672 is a wasteful number, since it uses less digits than its factorization.

30755672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 30755672 is about 5545.7796566398. The cubic root of 30755672 is about 313.3105893657.

The spelling of 30755672 in words is "thirty million, seven hundred fifty-five thousand, six hundred seventy-two".