47171073 has 16 divisors (see below), whose sum is σ = 66859776. Its totient is φ = 29479680.

The previous prime is 47171071. The next prime is 47171077. The reversal of 47171073 is 37017174.

It is not a de Polignac number, because 47171073 - 2¹ = 47171071 is a prime.

It is a super-2 number, since 2×47171073² = 4450220255942658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47171073.

It is not an unprimeable number, because it can be changed into a prime (47171071) 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, 12115 + ... + 15527.

It is an arithmetic number, because the mean of its divisors is an integer number (4178736).

Almost surely, 2^47171073 is an apocalyptic number.

It is an amenable number.

47171073 is a deficient number, since it is larger than the sum of its proper divisors (19688703).

47171073 is a wasteful number, since it uses less digits than its factorization.

47171073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 47171073 is about 6868.1200484558. The cubic root of 47171073 is about 361.3199308272.

The spelling of 47171073 in words is "forty-seven million, one hundred seventy-one thousand, seventy-three".