30472453 has 8 divisors (see below), whose sum is σ = 33586560. Its totient is φ = 27415680.

The previous prime is 30472441. The next prime is 30472457. The reversal of 30472453 is 35427403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30472453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30472457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13213 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (4198320).

Almost surely, 2^30472453 is an apocalyptic number.

It is an amenable number.

30472453 is a deficient number, since it is larger than the sum of its proper divisors (3114107).

30472453 is a wasteful number, since it uses less digits than its factorization.

30472453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28667.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 30472453 is about 5520.1859570127. The cubic root of 30472453 is about 312.3458969263.

Adding to 30472453 its reverse (35427403), we get a palindrome (65899856).

The spelling of 30472453 in words is "thirty million, four hundred seventy-two thousand, four hundred fifty-three".