747047 has 4 divisors (see below), whose sum is σ = 853776. Its totient is φ = 640320.

The previous prime is 747037. The next prime is 747049. The reversal of 747047 is 740747.

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 747047 - 2⁸ = 746791 is a prime.

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 (747049) 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, 53354 + ... + 53367.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

2⁷⁴⁷⁰⁴⁷ is an apocalyptic number.

747047 is a deficient number, since it is larger than the sum of its proper divisors (106729).

747047 is a wasteful number, since it uses less digits than its factorization.

747047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106728.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 747047 is about 864.3188069225. The cubic root of 747047 is about 90.7366293066.

The spelling of 747047 in words is "seven hundred forty-seven thousand, forty-seven", and thus it is an iban number.