30748563 has 12 divisors (see below), whose sum is σ = 47027448. Its totient is φ = 19293120.

The previous prime is 30748561. The next prime is 30748579. The reversal of 30748563 is 36584703.

It is a happy number.

It is not a de Polignac number, because 30748563 - 2¹ = 30748561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30748561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100333 + ... + 100638.

It is an arithmetic number, because the mean of its divisors is an integer number (3918954).

Almost surely, 2^30748563 is an apocalyptic number.

30748563 is a deficient number, since it is larger than the sum of its proper divisors (16278885).

30748563 is a wasteful number, since it uses less digits than its factorization.

30748563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200994 (or 200991 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 30748563 is about 5545.1386817644. The cubic root of 30748563 is about 313.2864475140.

The spelling of 30748563 in words is "thirty million, seven hundred forty-eight thousand, five hundred sixty-three".