30748566 has 8 divisors (see below), whose sum is σ = 61497144. Its totient is φ = 10249520.

The previous prime is 30748561. The next prime is 30748579. The reversal of 30748566 is 66584703.

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

30748566 is an admirable number.

It is a super-2 number, since 2×30748566² = 1890948622112712, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2562375 + ... + 2562386.

It is an arithmetic number, because the mean of its divisors is an integer number (7687143).

Almost surely, 2^30748566 is an apocalyptic number.

30748566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30748566 is a wasteful number, since it uses less digits than its factorization.

30748566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124766.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 30748566 is about 5545.1389522716. The cubic root of 30748566 is about 313.2864577027.

The spelling of 30748566 in words is "thirty million, seven hundred forty-eight thousand, five hundred sixty-six".