30840752 has 10 divisors (see below), whose sum is σ = 59753988. Its totient is φ = 15420368.

The previous prime is 30840749. The next prime is 30840757. The reversal of 30840752 is 25704803.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30840757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963758 + ... + 963789.

Almost surely, 2^30840752 is an apocalyptic number.

It is an amenable number.

30840752 is a deficient number, since it is larger than the sum of its proper divisors (28913236).

30840752 is a wasteful number, since it uses less digits than its factorization.

30840752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927555 (or 1927549 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 30840752 is about 5553.4450568994. The cubic root of 30840752 is about 313.5992290520.

The spelling of 30840752 in words is "thirty million, eight hundred forty thousand, seven hundred fifty-two".