724354 has 4 divisors (see below), whose sum is σ = 1086534. Its totient is φ = 362176.

The previous prime is 724331. The next prime is 724393. The reversal of 724354 is 453427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 585225 + 139129 = 765^2 + 373^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181087 + ... + 181090.

2⁷²⁴³⁵⁴ is an apocalyptic number.

724354 is a deficient number, since it is larger than the sum of its proper divisors (362180).

724354 is a wasteful number, since it uses less digits than its factorization.

724354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362179.

The product of its digits is 3360, while the sum is 25.

The square root of 724354 is about 851.0898894946. The cubic root of 724354 is about 89.8083989743.

The spelling of 724354 in words is "seven hundred twenty-four thousand, three hundred fifty-four".