30067572 has 12 divisors (see below), whose sum is σ = 70157696. Its totient is φ = 10022520.

The previous prime is 30067567. The next prime is 30067579. The reversal of 30067572 is 27576003.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30067579) 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, 1252804 + ... + 1252827.

Almost surely, 2^30067572 is an apocalyptic number.

It is an amenable number.

30067572 is an abundant number, since it is smaller than the sum of its proper divisors (40090124).

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

30067572 is a wasteful number, since it uses less digits than its factorization.

30067572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505638 (or 2505636 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30067572 is about 5483.3905569456. The cubic root of 30067572 is about 310.9563666759.

The spelling of 30067572 in words is "thirty million, sixty-seven thousand, five hundred seventy-two".