30748130 has 32 divisors (see below), whose sum is σ = 63694080. Its totient is φ = 10468800.

The previous prime is 30748093. The next prime is 30748153. The reversal of 30748130 is 3184703.

It is a self number, because there is not a number n which added to its sum of digits gives 30748130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9116 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (1990440).

Almost surely, 2^30748130 is an apocalyptic number.

30748130 is an abundant number, since it is smaller than the sum of its proper divisors (32945950).

30748130 is a wasteful number, since it uses less digits than its factorization.

30748130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 30748130 is about 5545.0996384195. The cubic root of 30748130 is about 313.2849769448.

The spelling of 30748130 in words is "thirty million, seven hundred forty-eight thousand, one hundred thirty".