30749063 has 8 divisors (see below), whose sum is σ = 31846176. Its totient is φ = 29671200.

The previous prime is 30749053. The next prime is 30749083. The reversal of 30749063 is 36094703.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30749063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30749003) by changing a digit.

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, 1523 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (3980772).

Almost surely, 2^30749063 is an apocalyptic number.

30749063 is a deficient number, since it is larger than the sum of its proper divisors (1097113).

30749063 is an equidigital number, since it uses as much as digits as its factorization.

30749063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9625.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 30749063 is about 5545.1837661163. The cubic root of 30749063 is about 313.2881456137.

The spelling of 30749063 in words is "thirty million, seven hundred forty-nine thousand, sixty-three".