472247894 has 8 divisors (see below), whose sum is σ = 708475248. Its totient is φ = 236089480.

The previous prime is 472247851. The next prime is 472247899. The reversal of 472247894 is 498742274.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472247899) 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, 6344 + ... + 31380.

It is an arithmetic number, because the mean of its divisors is an integer number (88559406).

Almost surely, 2^472247894 is an apocalyptic number.

472247894 is a deficient number, since it is larger than the sum of its proper divisors (236227354).

472247894 is a wasteful number, since it uses less digits than its factorization.

472247894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34470.

The product of its digits is 903168, while the sum is 47.

The square root of 472247894 is about 21731.2653566239. The cubic root of 472247894 is about 778.7355658801.

The spelling of 472247894 in words is "four hundred seventy-two million, two hundred forty-seven thousand, eight hundred ninety-four".