733649 has 8 divisors (see below), whose sum is σ = 843648. Its totient is φ = 624960.

The previous prime is 733639. The next prime is 733651. The reversal of 733649 is 946337.

733649 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 not a de Polignac number, because 733649 - 2⁸ = 733393 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 733649.

It is not an unprimeable number, because it can be changed into a prime (733619) 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, 2009 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (105456).

2⁷³³⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

733649 is a deficient number, since it is larger than the sum of its proper divisors (109999).

733649 is a wasteful number, since it uses less digits than its factorization.

733649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its digits is 13608, while the sum is 32.

The square root of 733649 is about 856.5331283727. The cubic root of 733649 is about 90.1909116167.

The spelling of 733649 in words is "seven hundred thirty-three thousand, six hundred forty-nine".