747347 has 4 divisors (see below), whose sum is σ = 763296. Its totient is φ = 731400.

The previous prime is 747343. The next prime is 747361. The reversal of 747347 is 743747.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 747347 - 2² = 747343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747343) 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, 7904 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (190824).

2⁷⁴⁷³⁴⁷ is an apocalyptic number.

747347 is a deficient number, since it is larger than the sum of its proper divisors (15949).

747347 is a wasteful number, since it uses less digits than its factorization.

747347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948.

The product of its digits is 16464, while the sum is 32.

The square root of 747347 is about 864.4923365768. The cubic root of 747347 is about 90.7487737213.

Subtracting from 747347 its reverse (743747), we obtain a square (3600 = 60²).

The spelling of 747347 in words is "seven hundred forty-seven thousand, three hundred forty-seven", and thus it is an iban number.