722743 has 8 divisors (see below), whose sum is σ = 831488. Its totient is φ = 615384.

The previous prime is 722737. The next prime is 722749. The reversal of 722743 is 347227.

It is an interprime number because it is at equal distance from previous prime (722737) and next prime (722749).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722743 - 2¹³ = 714551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722749) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 1792.

It is an arithmetic number, because the mean of its divisors is an integer number (103936).

2⁷²²⁷⁴³ is an apocalyptic number.

722743 is a deficient number, since it is larger than the sum of its proper divisors (108745).

722743 is a wasteful number, since it uses less digits than its factorization.

722743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 2352, while the sum is 25.

The square root of 722743 is about 850.1429291596. The cubic root of 722743 is about 89.7417700779.

It can be divided in two parts, 7 and 22743, that multiplied together give a square (159201 = 399²).

The spelling of 722743 in words is "seven hundred twenty-two thousand, seven hundred forty-three", and thus it is an iban number.