47072936 has 16 divisors (see below), whose sum is σ = 89173140. Its totient is φ = 23293440.

The previous prime is 47072923. The next prime is 47072959. The reversal of 47072936 is 63927074.

It can be written as a sum of positive squares in 2 ways, for example, as 44970436 + 2102500 = 6706^2 + 1450^2 .

It is a super-2 number, since 2×47072936² = 4431722607320192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47072936.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29555 + ... + 31106.

Almost surely, 2^47072936 is an apocalyptic number.

It is an amenable number.

47072936 is a deficient number, since it is larger than the sum of its proper divisors (42100204).

47072936 is a wasteful number, since it uses less digits than its factorization.

47072936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60764 (or 60760 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 47072936 is about 6860.9719428081. The cubic root of 47072936 is about 361.0691876608.

The spelling of 47072936 in words is "forty-seven million, seventy-two thousand, nine hundred thirty-six".