47065731 has 8 divisors (see below), whose sum is σ = 63510720. Its totient is φ = 30998952.

The previous prime is 47065729. The next prime is 47065783. The reversal of 47065731 is 13756074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47065731 - 2¹ = 47065729 is a prime.

It is a super-2 number, since 2×47065731² = 4430366069128722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47065692 and 47065701.

It is not an unprimeable number, because it can be changed into a prime (47065331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94261 + ... + 94758.

It is an arithmetic number, because the mean of its divisors is an integer number (7938840).

Almost surely, 2^47065731 is an apocalyptic number.

47065731 is a deficient number, since it is larger than the sum of its proper divisors (16444989).

47065731 is a wasteful number, since it uses less digits than its factorization.

47065731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189105.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 47065731 is about 6860.4468513356. The cubic root of 47065731 is about 361.0507649289.

The spelling of 47065731 in words is "forty-seven million, sixty-five thousand, seven hundred thirty-one".