30752748 has 72 divisors (see below), whose sum is σ = 87386208. Its totient is φ = 9047808.

The previous prime is 30752717. The next prime is 30752753. The reversal of 30752748 is 84725703.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9336 + ... + 12192.

Almost surely, 2^30752748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30752748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43693104).

30752748 is an abundant number, since it is smaller than the sum of its proper divisors (56633460).

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

30752748 is a wasteful number, since it uses less digits than its factorization.

30752748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 30752748 is about 5545.5160264848. The cubic root of 30752748 is about 313.3006600406.

The spelling of 30752748 in words is "thirty million, seven hundred fifty-two thousand, seven hundred forty-eight".