47671261 has 4 divisors (see below), whose sum is σ = 52005024. Its totient is φ = 43337500.

The previous prime is 47671243. The next prime is 47671277. The reversal of 47671261 is 16217674.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47671261 - 2⁵ = 47671229 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 (47671201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166865 + ... + 2166886.

It is an arithmetic number, because the mean of its divisors is an integer number (13001256).

Almost surely, 2^47671261 is an apocalyptic number.

It is an amenable number.

47671261 is a deficient number, since it is larger than the sum of its proper divisors (4333763).

47671261 is a wasteful number, since it uses less digits than its factorization.

47671261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333762.

The product of its digits is 14112, while the sum is 34.

The square root of 47671261 is about 6904.4377758077. The cubic root of 47671261 is about 362.5925528242.

The spelling of 47671261 in words is "forty-seven million, six hundred seventy-one thousand, two hundred sixty-one".