747271 has 4 divisors (see below), whose sum is σ = 854032. Its totient is φ = 640512.

The previous prime is 747259. The next prime is 747277. The reversal of 747271 is 172747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172747 = 227 ⋅761.

It is a cyclic number.

It is not a de Polignac number, because 747271 - 2⁵ = 747239 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53370 + ... + 53383.

It is an arithmetic number, because the mean of its divisors is an integer number (213508).

2⁷⁴⁷²⁷¹ is an apocalyptic number.

747271 is a deficient number, since it is larger than the sum of its proper divisors (106761).

747271 is a wasteful number, since it uses less digits than its factorization.

747271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106760.

The product of its digits is 2744, while the sum is 28.

The square root of 747271 is about 864.4483790256. The cubic root of 747271 is about 90.7456974437.

It can be divided in two parts, 7 and 47271, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 747271 in words is "seven hundred forty-seven thousand, two hundred seventy-one", and thus it is an iban number.