742304 has 12 divisors (see below), whose sum is σ = 1461474. Its totient is φ = 371136.

The previous prime is 742289. The next prime is 742307. The reversal of 742304 is 403247.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 2704 = 860^2 + 52^2 .

It is not an unprimeable number, because it can be changed into a prime (742307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567 + ... + 11630.

2⁷⁴²³⁰⁴ is an apocalyptic number.

It is an amenable number.

742304 is a deficient number, since it is larger than the sum of its proper divisors (719170).

742304 is a wasteful number, since it uses less digits than its factorization.

742304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23207 (or 23199 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 742304 is about 861.5706587390. The cubic root of 742304 is about 90.5441925736.

The spelling of 742304 in words is "seven hundred forty-two thousand, three hundred four", and thus it is an iban number.