747397 has 8 divisors (see below), whose sum is σ = 872000. Its totient is φ = 640332.

The previous prime is 747391. The next prime is 747401. The reversal of 747397 is 793747.

It is a de Polignac number, because none of the positive numbers 2^k-747397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747391) 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 7 ways as a sum of consecutive naturals, for example, 747 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (109000).

2⁷⁴⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

747397 is a deficient number, since it is larger than the sum of its proper divisors (124603).

747397 is an equidigital number, since it uses as much as digits as its factorization.

747397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2186 counting only the distinct ones).

The product of its digits is 37044, while the sum is 37.

The square root of 747397 is about 864.5212547994. The cubic root of 747397 is about 90.7507974744.

The spelling of 747397 in words is "seven hundred forty-seven thousand, three hundred ninety-seven".