47172003 has 16 divisors (see below), whose sum is σ = 67998720. Its totient is φ = 28986336.

The previous prime is 47171983. The next prime is 47172029. The reversal of 47172003 is 30027174.

It is not a de Polignac number, because 47172003 - 2¹³ = 47163811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47132003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9075 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (4249920).

Almost surely, 2^47172003 is an apocalyptic number.

47172003 is a deficient number, since it is larger than the sum of its proper divisors (20826717).

47172003 is a wasteful number, since it uses less digits than its factorization.

47172003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22426.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 47172003 is about 6868.1877522386. The cubic root of 47172003 is about 361.3223053427.

Adding to 47172003 its reverse (30027174), we get a palindrome (77199177).

The spelling of 47172003 in words is "forty-seven million, one hundred seventy-two thousand, three".