472289378 has 30 divisors (see below), whose sum is σ = 785456955. Its totient is φ = 212986620.

The previous prime is 472289353. The next prime is 472289401. The reversal of 472289378 is 873982274.

It can be written as a sum of positive squares in only one way, i.e., 236144689 + 236144689 = 15367^2 + 15367^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=15367.

It is a Duffinian number.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3718751 + ... + 3718877.

Almost surely, 2^472289378 is an apocalyptic number.

472289378 is a deficient number, since it is larger than the sum of its proper divisors (313167577).

472289378 is an frugal number, since it uses more digits than its factorization.

472289378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 140 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 472289378 is about 21732.2198129874. The cubic root of 472289378 is about 778.7583675490.

Multiplying 472289378 by its sum of digits (50), we get a square (23614468900 = 153670²).

The spelling of 472289378 in words is "four hundred seventy-two million, two hundred eighty-nine thousand, three hundred seventy-eight".