47405867 has 4 divisors (see below), whose sum is σ = 47473440. Its totient is φ = 47338296.

The previous prime is 47405861. The next prime is 47405879. The reversal of 47405867 is 76850474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47405867 - 2⁶ = 47405803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47405861) 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, 32723 + ... + 34140.

It is an arithmetic number, because the mean of its divisors is an integer number (11868360).

Almost surely, 2^47405867 is an apocalyptic number.

47405867 is a deficient number, since it is larger than the sum of its proper divisors (67573).

47405867 is an equidigital number, since it uses as much as digits as its factorization.

47405867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67572.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 47405867 is about 6885.1918637029. The cubic root of 47405867 is about 361.9184288597.

The spelling of 47405867 in words is "forty-seven million, four hundred five thousand, eight hundred sixty-seven".