30029772 has 12 divisors (see below), whose sum is σ = 70069496. Its totient is φ = 10009920.

The previous prime is 30029771. The next prime is 30029777. The reversal of 30029772 is 27792003.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (30029771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251229 + ... + 1251252.

Almost surely, 2^30029772 is an apocalyptic number.

It is an amenable number.

30029772 is an abundant number, since it is smaller than the sum of its proper divisors (40039724).

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

30029772 is a wasteful number, since it uses less digits than its factorization.

30029772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502488 (or 2502486 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 30029772 is about 5479.9427004304. The cubic root of 30029772 is about 310.8260038634.

The spelling of 30029772 in words is "thirty million, twenty-nine thousand, seven hundred seventy-two".