473207639 has 4 divisors (see below), whose sum is σ = 473528640. Its totient is φ = 472886640.

The previous prime is 473207627. The next prime is 473207641. The reversal of 473207639 is 936702374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473207639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 473207596 and 473207605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473207659) 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, 158279 + ... + 161240.

It is an arithmetic number, because the mean of its divisors is an integer number (118382160).

Almost surely, 2^473207639 is an apocalyptic number.

473207639 is a deficient number, since it is larger than the sum of its proper divisors (321001).

473207639 is a wasteful number, since it uses less digits than its factorization.

473207639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321000.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 473207639 is about 21753.3362728571. The cubic root of 473207639 is about 779.2627479266.

The spelling of 473207639 in words is "four hundred seventy-three million, two hundred seven thousand, six hundred thirty-nine".