746643 has 8 divisors (see below), whose sum is σ = 1048000. Its totient is φ = 471528.

The previous prime is 746597. The next prime is 746653. The reversal of 746643 is 346647.

746643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-746643 is a prime.

It is a Duffinian number.

746643 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 746643.

It is not an unprimeable number, because it can be changed into a prime (746653) 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, 6493 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (131000).

2⁷⁴⁶⁶⁴³ is an apocalyptic number.

746643 is a deficient number, since it is larger than the sum of its proper divisors (301357).

746643 is a wasteful number, since it uses less digits than its factorization.

746643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121.

The product of its digits is 12096, while the sum is 30.

The square root of 746643 is about 864.0850652569. The cubic root of 746643 is about 90.7202696896.

The spelling of 746643 in words is "seven hundred forty-six thousand, six hundred forty-three".