47747241 has 12 divisors (see below), whose sum is σ = 71967168. Its totient is φ = 30447384.

The previous prime is 47747233. The next prime is 47747261. The reversal of 47747241 is 14274774.

It is not a de Polignac number, because 47747241 - 2³ = 47747233 is a prime.

It is a super-2 number, since 2×47747241² = 4559598046224162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47747196 and 47747205.

It is not an unprimeable number, because it can be changed into a prime (47747221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115125 + ... + 115538.

It is an arithmetic number, because the mean of its divisors is an integer number (5997264).

Almost surely, 2^47747241 is an apocalyptic number.

It is an amenable number.

47747241 is a deficient number, since it is larger than the sum of its proper divisors (24219927).

47747241 is a wasteful number, since it uses less digits than its factorization.

47747241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230692 (or 230689 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 47747241 is about 6909.9378434252. The cubic root of 47747241 is about 362.7850878229.

The spelling of 47747241 in words is "forty-seven million, seven hundred forty-seven thousand, two hundred forty-one".