30075472 has 20 divisors (see below), whose sum is σ = 66595936. Its totient is φ = 12889440.

The previous prime is 30075469. The next prime is 30075491. The reversal of 30075472 is 27457003.

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 30075472.

It is a congruent number.

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, 134154 + ... + 134377.

Almost surely, 2^30075472 is an apocalyptic number.

It is an amenable number.

30075472 is an abundant number, since it is smaller than the sum of its proper divisors (36520464).

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

30075472 is a wasteful number, since it uses less digits than its factorization.

30075472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268546 (or 268540 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 30075472 is about 5484.1108668589. The cubic root of 30075472 is about 310.9835980087.

The spelling of 30075472 in words is "thirty million, seventy-five thousand, four hundred seventy-two".