749646 has 12 divisors (see below), whose sum is σ = 1624272. Its totient is φ = 249876.

The previous prime is 749641. The next prime is 749653. The reversal of 749646 is 646947.

749646 is a `hidden beast` number, since 7 + 4 + 9 + 646 = 666.

749646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 749646.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749646.

It is not an unprimeable number, because it can be changed into a prime (749641) by changing a digit.

749646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20806 + ... + 20841.

It is an arithmetic number, because the mean of its divisors is an integer number (135356).

2⁷⁴⁹⁶⁴⁶ is an apocalyptic number.

749646 is an abundant number, since it is smaller than the sum of its proper divisors (874626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749646 is a wasteful number, since it uses less digits than its factorization.

749646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41655 (or 41652 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 749646 is about 865.8209976664. The cubic root of 749646 is about 90.8417327100.

The spelling of 749646 in words is "seven hundred forty-nine thousand, six hundred forty-six".