30088072 has 16 divisors (see below), whose sum is σ = 64474560. Its totient is φ = 12894864.

The previous prime is 30088063. The next prime is 30088099. The reversal of 30088072 is 27088003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 30088072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268588 + ... + 268699.

It is an arithmetic number, because the mean of its divisors is an integer number (4029660).

Almost surely, 2^30088072 is an apocalyptic number.

It is an amenable number.

30088072 is an abundant number, since it is smaller than the sum of its proper divisors (34386488).

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

30088072 is a wasteful number, since it uses less digits than its factorization.

30088072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537300 (or 537296 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 30088072 is about 5485.2595198404. The cubic root of 30088072 is about 311.0270203947.

The spelling of 30088072 in words is "thirty million, eighty-eight thousand, seventy-two".