47210869 has 8 divisors (see below), whose sum is σ = 49059000. Its totient is φ = 45377472.

The previous prime is 47210837. The next prime is 47210873. The reversal of 47210869 is 96801274.

It can be written as a sum of positive squares in 4 ways, for example, as 9548100 + 37662769 = 3090^2 + 6137^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47210869 - 2⁵ = 47210837 is a prime.

It is a super-2 number, since 2×47210869² = 4457732303470322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47210899) 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, 3087 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (6132375).

Almost surely, 2^47210869 is an apocalyptic number.

It is an amenable number.

47210869 is a deficient number, since it is larger than the sum of its proper divisors (1848131).

47210869 is a wasteful number, since it uses less digits than its factorization.

47210869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 47210869 is about 6871.0165914514. The cubic root of 47210869 is about 361.4215117700.

The spelling of 47210869 in words is "forty-seven million, two hundred ten thousand, eight hundred sixty-nine".