47969937 has 24 divisors (see below), whose sum is σ = 73870056. Its totient is φ = 29892096.

The previous prime is 47969893. The next prime is 47969941. The reversal of 47969937 is 73996974.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 47279376 = 831^2 + 6876^2 .

It is not a de Polignac number, because 47969937 - 2⁷ = 47969809 is a prime.

It is a super-2 number, since 2×47969937² = 4602229711567938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47969947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23023 + ... + 25019.

It is an arithmetic number, because the mean of its divisors is an integer number (3077919).

Almost surely, 2^47969937 is an apocalyptic number.

It is an amenable number.

47969937 is a deficient number, since it is larger than the sum of its proper divisors (25900119).

47969937 is a wasteful number, since it uses less digits than its factorization.

47969937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2174 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 47969937 is about 6926.0332803128. The cubic root of 47969937 is about 363.3482303649.

The spelling of 47969937 in words is "forty-seven million, nine hundred sixty-nine thousand, nine hundred thirty-seven".