30285733 has 8 divisors (see below), whose sum is σ = 31680000. Its totient is φ = 28897968.

The previous prime is 30285727. The next prime is 30285743. The reversal of 30285733 is 33758203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30285733 - 2⁵ = 30285701 is a prime.

It is a super-3 number, since 3×30285733³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30285695 and 30285704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30285743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9643 + ... + 12391.

It is an arithmetic number, because the mean of its divisors is an integer number (3960000).

Almost surely, 2^30285733 is an apocalyptic number.

It is an amenable number.

30285733 is a deficient number, since it is larger than the sum of its proper divisors (1394267).

30285733 is a wasteful number, since it uses less digits than its factorization.

30285733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 30285733 is about 5503.2474957974. The cubic root of 30285733 is about 311.7066227795.

The spelling of 30285733 in words is "thirty million, two hundred eighty-five thousand, seven hundred thirty-three".