30472342 has 8 divisors (see below), whose sum is σ = 45732456. Its totient is φ = 15228192.

The previous prime is 30472339. The next prime is 30472363. The reversal of 30472342 is 24327403.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918 + ... + 8734.

It is an arithmetic number, because the mean of its divisors is an integer number (5716557).

Almost surely, 2^30472342 is an apocalyptic number.

30472342 is a deficient number, since it is larger than the sum of its proper divisors (15260114).

30472342 is a wasteful number, since it uses less digits than its factorization.

30472342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 30472342 is about 5520.1759029944. The cubic root of 30472342 is about 312.3455176719.

Adding to 30472342 its reverse (24327403), we get a palindrome (54799745).

The spelling of 30472342 in words is "thirty million, four hundred seventy-two thousand, three hundred forty-two".