724148 has 12 divisors (see below), whose sum is σ = 1273860. Its totient is φ = 360192.

The previous prime is 724123. The next prime is 724153. The reversal of 724148 is 841427.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 595984 = 358^2 + 772^2 .

It is a congruent number.

It is an unprimeable number.

724148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740 + ... + 1412.

It is an arithmetic number, because the mean of its divisors is an integer number (106155).

2⁷²⁴¹⁴⁸ is an apocalyptic number.

It is an amenable number.

724148 is a deficient number, since it is larger than the sum of its proper divisors (549712).

724148 is a wasteful number, since it uses less digits than its factorization.

724148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 944 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 724148 is about 850.9688595948. The cubic root of 724148 is about 89.7998845904.

The spelling of 724148 in words is "seven hundred twenty-four thousand, one hundred forty-eight".