47008737 has 12 divisors (see below), whose sum is σ = 68186404. Its totient is φ = 31207680.

The previous prime is 47008727. The next prime is 47008751. The reversal of 47008737 is 73780074.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42497361 + 4511376 = 6519^2 + 2124^2 .

It is not a de Polignac number, because 47008737 - 2¹⁰ = 47007713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47008727) 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, 8668 + ... + 13005.

Almost surely, 2^47008737 is an apocalyptic number.

It is an amenable number.

47008737 is a deficient number, since it is larger than the sum of its proper divisors (21177667).

47008737 is a wasteful number, since it uses less digits than its factorization.

47008737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920 (or 21917 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 47008737 is about 6856.2917820058. The cubic root of 47008737 is about 360.9049685528.

The spelling of 47008737 in words is "forty-seven million, eight thousand, seven hundred thirty-seven".