47680269 has 16 divisors (see below), whose sum is σ = 78244992. Its totient is φ = 25149888.

The previous prime is 47680267. The next prime is 47680277. The reversal of 47680269 is 96208674.

It is not a de Polignac number, because 47680269 - 2¹ = 47680267 is a prime.

It is a super-2 number, since 2×47680269² = 4546816103824722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47680269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47680267) 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, 87054 + ... + 87599.

It is an arithmetic number, because the mean of its divisors is an integer number (4890312).

Almost surely, 2^47680269 is an apocalyptic number.

It is an amenable number.

47680269 is a deficient number, since it is larger than the sum of its proper divisors (30564723).

47680269 is a wasteful number, since it uses less digits than its factorization.

47680269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174676.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 47680269 is about 6905.0900790649. The cubic root of 47680269 is about 362.6153899797.

The spelling of 47680269 in words is "forty-seven million, six hundred eighty thousand, two hundred sixty-nine".