30733985 has 8 divisors (see below), whose sum is σ = 37506240. Its totient is φ = 24170224.

The previous prime is 30733979. The next prime is 30733991. The reversal of 30733985 is 58933703.

It is an interprime number because it is at equal distance from previous prime (30733979) and next prime (30733991).

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 30733985 - 2⁶ = 30733921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51797 + ... + 52386.

It is an arithmetic number, because the mean of its divisors is an integer number (4688280).

Almost surely, 2^30733985 is an apocalyptic number.

It is an amenable number.

30733985 is a deficient number, since it is larger than the sum of its proper divisors (6772255).

30733985 is a wasteful number, since it uses less digits than its factorization.

30733985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104247.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 30733985 is about 5543.8240412192. The cubic root of 30733985 is about 313.2369296251.

The spelling of 30733985 in words is "thirty million, seven hundred thirty-three thousand, nine hundred eighty-five".