947713 has 4 divisors (see below), whose sum is σ = 1020628. Its totient is φ = 874800.

The previous prime is 947711. The next prime is 947719. The reversal of 947713 is 317749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317749 = 61 ⋅5209.

It can be written as a sum of positive squares in 2 ways, for example, as 652864 + 294849 = 808^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 947713 - 2¹ = 947711 is a prime.

It is a Duffinian number.

947713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (947711) 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, 36438 + ... + 36463.

It is an arithmetic number, because the mean of its divisors is an integer number (255157).

2⁹⁴⁷⁷¹³ is an apocalyptic number.

It is an amenable number.

947713 is a deficient number, since it is larger than the sum of its proper divisors (72915).

947713 is a wasteful number, since it uses less digits than its factorization.

947713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72914.

The product of its digits is 5292, while the sum is 31.

The square root of 947713 is about 973.5055212992. The cubic root of 947713 is about 98.2258086063.

It can be divided in two parts, 9477 and 13, that multiplied together give a square (123201 = 351²).

The spelling of 947713 in words is "nine hundred forty-seven thousand, seven hundred thirteen".