47867131 has 16 divisors (see below), whose sum is σ = 54528768. Its totient is φ = 41702400.

The previous prime is 47867129. The next prime is 47867147. The reversal of 47867131 is 13176874.

It is a cyclic number.

It is not a de Polignac number, because 47867131 - 2¹ = 47867129 is a prime.

It is a super-2 number, since 2×47867131² = 4582524460342322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47867161) 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, 15075 + ... + 17971.

It is an arithmetic number, because the mean of its divisors is an integer number (3408048).

Almost surely, 2^47867131 is an apocalyptic number.

47867131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47867131 is a deficient number, since it is larger than the sum of its proper divisors (6661637).

47867131 is a wasteful number, since it uses less digits than its factorization.

47867131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982.

The product of its digits is 28224, while the sum is 37.

The square root of 47867131 is about 6918.6075911270. The cubic root of 47867131 is about 363.0884767395.

The spelling of 47867131 in words is "forty-seven million, eight hundred sixty-seven thousand, one hundred thirty-one".