744684 has 12 divisors (see below), whose sum is σ = 1737624. Its totient is φ = 248224.

The previous prime is 744677. The next prime is 744701. The reversal of 744684 is 486447.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×744684³ = 1238903053339816512, which contains 333 as substring.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31017 + ... + 31040.

It is an arithmetic number, because the mean of its divisors is an integer number (144802).

2⁷⁴⁴⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

744684 is an abundant number, since it is smaller than the sum of its proper divisors (992940).

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

744684 is a wasteful number, since it uses less digits than its factorization.

744684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62064 (or 62062 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 744684 is about 862.9507517814. The cubic root of 744684 is about 90.6408579463.

The spelling of 744684 in words is "seven hundred forty-four thousand, six hundred eighty-four".