30472946 has 8 divisors (see below), whose sum is σ = 52239360. Its totient is φ = 13059828.

The previous prime is 30472943. The next prime is 30472951. The reversal of 30472946 is 64927403.

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

It is not an unprimeable number, because it can be changed into a prime (30472943) 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, 1088306 + ... + 1088333.

It is an arithmetic number, because the mean of its divisors is an integer number (6529920).

Almost surely, 2^30472946 is an apocalyptic number.

30472946 is a deficient number, since it is larger than the sum of its proper divisors (21766414).

30472946 is a wasteful number, since it uses less digits than its factorization.

30472946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176648.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 30472946 is about 5520.2306111249. The cubic root of 30472946 is about 312.3475813515.

The spelling of 30472946 in words is "thirty million, four hundred seventy-two thousand, nine hundred forty-six".