30748488 has 16 divisors (see below), whose sum is σ = 76871280. Its totient is φ = 10249488.

The previous prime is 30748469. The next prime is 30748489. The reversal of 30748488 is 88484703.

It is a super-2 number, since 2×30748488² = 1890939028572288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30748489) 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 3 ways as a sum of consecutive naturals, for example, 640570 + ... + 640617.

It is an arithmetic number, because the mean of its divisors is an integer number (4804455).

Almost surely, 2^30748488 is an apocalyptic number.

It is an amenable number.

30748488 is an abundant number, since it is smaller than the sum of its proper divisors (46122792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30748488 is a wasteful number, since it uses less digits than its factorization.

30748488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281196 (or 1281192 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 30748488 is about 5545.1319190800. The cubic root of 30748488 is about 313.2861927975.

The spelling of 30748488 in words is "thirty million, seven hundred forty-eight thousand, four hundred eighty-eight".