30490768 has 40 divisors (see below), whose sum is σ = 73656000. Its totient is φ = 11879040.

The previous prime is 30490739. The next prime is 30490769. The reversal of 30490768 is 86709403.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30490769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11143 + ... + 13606.

It is an arithmetic number, because the mean of its divisors is an integer number (1841400).

Almost surely, 2^30490768 is an apocalyptic number.

It is an amenable number.

30490768 is an abundant number, since it is smaller than the sum of its proper divisors (43165232).

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

30490768 is a wasteful number, since it uses less digits than its factorization.

30490768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24775 (or 24769 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 30490768 is about 5521.8446193279. The cubic root of 30490768 is about 312.4084612954.

The spelling of 30490768 in words is "thirty million, four hundred ninety thousand, seven hundred sixty-eight".