47187207 has 6 divisors (see below), whose sum is σ = 68159312. Its totient is φ = 31458132.

The previous prime is 47187193. The next prime is 47187233. The reversal of 47187207 is 70278174.

It is not a de Polignac number, because 47187207 - 2¹² = 47183111 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 (47183207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2621503 + ... + 2621520.

Almost surely, 2^47187207 is an apocalyptic number.

47187207 is a deficient number, since it is larger than the sum of its proper divisors (20972105).

47187207 is a wasteful number, since it uses less digits than its factorization.

47187207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243029 (or 5243026 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 47187207 is about 6869.2945052603. The cubic root of 47187207 is about 361.3611204157.

It can be divided in two parts, 471 and 87207, that added together give a palindrome (87678).

The spelling of 47187207 in words is "forty-seven million, one hundred eighty-seven thousand, two hundred seven".