30454572 has 12 divisors (see below), whose sum is σ = 71060696. Its totient is φ = 10151520.

The previous prime is 30454559. The next prime is 30454577. The reversal of 30454572 is 27545403.

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 (30454577) 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, 1268929 + ... + 1268952.

Almost surely, 2^30454572 is an apocalyptic number.

It is an amenable number.

30454572 is an abundant number, since it is smaller than the sum of its proper divisors (40606124).

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

30454572 is a wasteful number, since it uses less digits than its factorization.

30454572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537888 (or 2537886 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 30454572 is about 5518.5661181144. The cubic root of 30454572 is about 312.2847909195.

Adding to 30454572 its reverse (27545403), we get a palindrome (57999975).

The spelling of 30454572 in words is "thirty million, four hundred fifty-four thousand, five hundred seventy-two".