47172127 has 8 divisors (see below), whose sum is σ = 50415696. Its totient is φ = 43980672.

The previous prime is 47172113. The next prime is 47172131. The reversal of 47172127 is 72127174.

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-47172127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47172227) 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, 11148 + ... + 14785.

It is an arithmetic number, because the mean of its divisors is an integer number (6301962).

Almost surely, 2^47172127 is an apocalyptic number.

47172127 is a deficient number, since it is larger than the sum of its proper divisors (3243569).

47172127 is a wasteful number, since it uses less digits than its factorization.

47172127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26057.

The product of its digits is 5488, while the sum is 31.

The square root of 47172127 is about 6868.1967793592. The cubic root of 47172127 is about 361.3226219424.

The spelling of 47172127 in words is "forty-seven million, one hundred seventy-two thousand, one hundred twenty-seven".