47943749 has 12 divisors (see below), whose sum is σ = 56325024. Its totient is φ = 39975984.

The previous prime is 47943739. The next prime is 47943751. The reversal of 47943749 is 94734974.

It is not a de Polignac number, because 47943749 - 2¹² = 47939653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47943739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7082 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (4693752).

Almost surely, 2^47943749 is an apocalyptic number.

It is an amenable number.

47943749 is a deficient number, since it is larger than the sum of its proper divisors (8381275).

47943749 is an equidigital number, since it uses as much as digits as its factorization.

47943749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084 (or 5047 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 47943749 is about 6924.1424739819. The cubic root of 47943749 is about 363.2820980041.

The spelling of 47943749 in words is "forty-seven million, nine hundred forty-three thousand, seven hundred forty-nine".