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473 = 1143

473 has 4 divisors (see below), whose sum is σ = 528. Its totient is φ = 420.

The previous prime is 467. The next prime is 479. The reversal of 473 is 374.

473 is nontrivially palindromic in base 9.

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 a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (467) and next prime (479).

It is a cyclic number.

It is not a de Polignac number, because 473 - 24 = 457 is a prime.

473 is an undulating number in base 9.

It is a Curzon number.

It is a plaindrome in base 7, base 12 and base 14.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (479) 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, 11 + ... + 32.

It is an arithmetic number, because the mean of its divisors is an integer number (132).

473 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

473 is a deficient number, since it is larger than the sum of its proper divisors (55).

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

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

The sum of its prime factors is 54.

The product of its digits is 84, while the sum is 14.

The square root of 473 is about 21.7485631709. The cubic root of 473 is about 7.7914875356.

Subtracting from 473 its reverse (374), we obtain a palindrome (99).

It can be divided in two parts, 47 and 3, that multiplied together give a palindrome (141).

The spelling of 473 in words is "four hundred seventy-three", and thus it is an aban number and an iban number.

Divisors: 1 11 43 473