747943 has 8 divisors (see below), whose sum is σ = 869760. Its totient is φ = 629880.

The previous prime is 747941. The next prime is 747953. The reversal of 747943 is 349747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 747943 - 2¹ = 747941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747899 and 747908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (108720).

2⁷⁴⁷⁹⁴³ is an apocalyptic number.

747943 is a deficient number, since it is larger than the sum of its proper divisors (121817).

747943 is a wasteful number, since it uses less digits than its factorization.

747943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877.

The product of its digits is 21168, while the sum is 34.

The square root of 747943 is about 864.8369788579. The cubic root of 747943 is about 90.7728909867.

The spelling of 747943 in words is "seven hundred forty-seven thousand, nine hundred forty-three".