478733 has 4 divisors (see below), whose sum is σ = 494208. Its totient is φ = 463260.

The previous prime is 478729. The next prime is 478739. The reversal of 478733 is 337874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337874 = 2 ⋅168937.

It is a cyclic number.

It is not a de Polignac number, because 478733 - 2² = 478729 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478739) 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, 7691 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (123552).

2⁴⁷⁸⁷³³ is an apocalyptic number.

It is an amenable number.

478733 is a deficient number, since it is larger than the sum of its proper divisors (15475).

478733 is a wasteful number, since it uses less digits than its factorization.

478733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15474.

The product of its digits is 14112, while the sum is 32.

The square root of 478733 is about 691.9053403465. The cubic root of 478733 is about 78.2284013241.

The spelling of 478733 in words is "four hundred seventy-eight thousand, seven hundred thirty-three".