472477146 has 8 divisors (see below), whose sum is σ = 944954304. Its totient is φ = 157492380.

The previous prime is 472477081. The next prime is 472477157. The reversal of 472477146 is 641774274.

It is a happy number.

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

472477146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 472477098 and 472477107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39373090 + ... + 39373101.

It is an arithmetic number, because the mean of its divisors is an integer number (118119288).

Almost surely, 2^472477146 is an apocalyptic number.

472477146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

472477146 is a wasteful number, since it uses less digits than its factorization.

472477146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78746196.

The product of its digits is 263424, while the sum is 42.

The square root of 472477146 is about 21736.5394209842. The cubic root of 472477146 is about 778.8615574815.

The spelling of 472477146 in words is "four hundred seventy-two million, four hundred seventy-seven thousand, one hundred forty-six".