30039672 has 32 divisors (see below), whose sum is σ = 80876880. Its totient is φ = 9242880.

The previous prime is 30039649. The next prime is 30039677. The reversal of 30039672 is 27693003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30039677) 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, 47829 + ... + 48452.

Almost surely, 2^30039672 is an apocalyptic number.

It is an amenable number.

30039672 is an abundant number, since it is smaller than the sum of its proper divisors (50837208).

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

30039672 is a wasteful number, since it uses less digits than its factorization.

30039672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96303 (or 96299 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 30039672 is about 5480.8459201112. The cubic root of 30039672 is about 310.8601570736.

The spelling of 30039672 in words is "thirty million, thirty-nine thousand, six hundred seventy-two".