47744713 has 4 divisors (see below), whose sum is σ = 48020868. Its totient is φ = 47468560.

The previous prime is 47744659. The next prime is 47744717. The reversal of 47744713 is 31744774.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 7333264 = 6357^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 47744713 - 2⁹ = 47744201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47744717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137818 + ... + 138163.

It is an arithmetic number, because the mean of its divisors is an integer number (12005217).

Almost surely, 2^47744713 is an apocalyptic number.

It is an amenable number.

47744713 is a deficient number, since it is larger than the sum of its proper divisors (276155).

47744713 is a wasteful number, since it uses less digits than its factorization.

47744713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276154.

The product of its digits is 65856, while the sum is 37.

The square root of 47744713 is about 6909.7549160589. The cubic root of 47744713 is about 362.7786851012.

The spelling of 47744713 in words is "forty-seven million, seven hundred forty-four thousand, seven hundred thirteen".