47874247 has 16 divisors (see below), whose sum is σ = 51858432. Its totient is φ = 44082720.

The previous prime is 47874223. The next prime is 47874259. The reversal of 47874247 is 74247874.

It is a happy number.

It is not a de Polignac number, because 47874247 - 2⁷ = 47874119 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 (47874287) 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, 72097 + ... + 72757.

It is an arithmetic number, because the mean of its divisors is an integer number (3241152).

Almost surely, 2^47874247 is an apocalyptic number.

47874247 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47874247 is a deficient number, since it is larger than the sum of its proper divisors (3984185).

47874247 is a wasteful number, since it uses less digits than its factorization.

47874247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 351232, while the sum is 43.

The square root of 47874247 is about 6919.1218373432. The cubic root of 47874247 is about 363.1064682751.

The spelling of 47874247 in words is "forty-seven million, eight hundred seventy-four thousand, two hundred forty-seven".