473718139 has 8 divisors (see below), whose sum is σ = 485432640. Its totient is φ = 462126600.

The previous prime is 473718083. The next prime is 473718169. The reversal of 473718139 is 931817374.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473718139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 473718095 and 473718104.

It is not an unprimeable number, because it can be changed into a prime (473718169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22917 + ... + 38374.

It is an arithmetic number, because the mean of its divisors is an integer number (60679080).

Almost surely, 2^473718139 is an apocalyptic number.

473718139 is a deficient number, since it is larger than the sum of its proper divisors (11714501).

473718139 is a wasteful number, since it uses less digits than its factorization.

473718139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61481.

The product of its digits is 127008, while the sum is 43.

The square root of 473718139 is about 21765.0669422357. The cubic root of 473718139 is about 779.5428720772.

The spelling of 473718139 in words is "four hundred seventy-three million, seven hundred eighteen thousand, one hundred thirty-nine".