736664 has 8 divisors (see below), whose sum is σ = 1381260. Its totient is φ = 368328.

The previous prime is 736657. The next prime is 736679. The reversal of 736664 is 466637.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 736664.

It is a congruent number.

It is an unprimeable number.

736664 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 46034 + ... + 46049.

2⁷³⁶⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

736664 is a deficient number, since it is larger than the sum of its proper divisors (644596).

736664 is a wasteful number, since it uses less digits than its factorization.

736664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92089 (or 92085 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 736664 is about 858.2913258329. The cubic root of 736664 is about 90.3142921185.

The spelling of 736664 in words is "seven hundred thirty-six thousand, six hundred sixty-four".