472978 has 8 divisors (see below), whose sum is σ = 774000. Its totient is φ = 214980.

The previous prime is 472963. The next prime is 472993. The reversal of 472978 is 879274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (472963) and next prime (472993).

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

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 3 ways as a sum of consecutive naturals, for example, 10728 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (96750).

2⁴⁷²⁹⁷⁸ is an apocalyptic number.

472978 is a deficient number, since it is larger than the sum of its proper divisors (301022).

472978 is a wasteful number, since it uses less digits than its factorization.

472978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512.

The product of its digits is 28224, while the sum is 37.

The square root of 472978 is about 687.7339601910. The cubic root of 472978 is about 77.9136673551.

It can be divided in two parts, 47 and 2978, that added together give a square (3025 = 55²).

The spelling of 472978 in words is "four hundred seventy-two thousand, nine hundred seventy-eight".