30768252 has 24 divisors (see below), whose sum is σ = 71979600. Its totient is φ = 10229376.

The previous prime is 30768251. The next prime is 30768271. The reversal of 30768252 is 25286703.

It is a super-2 number, since 2×30768252² = 1893370662271008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768251) 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, 1774 + ... + 8042.

It is an arithmetic number, because the mean of its divisors is an integer number (2999150).

Almost surely, 2^30768252 is an apocalyptic number.

It is an amenable number.

30768252 is an abundant number, since it is smaller than the sum of its proper divisors (41211348).

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

30768252 is a wasteful number, since it uses less digits than its factorization.

30768252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685 (or 6683 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 30768252 is about 5546.9137364845. The cubic root of 30768252 is about 313.3533013782.

The spelling of 30768252 in words is "thirty million, seven hundred sixty-eight thousand, two hundred fifty-two".