744622 has 4 divisors (see below), whose sum is σ = 1116936. Its totient is φ = 372310.

The previous prime is 744607. The next prime is 744637. The reversal of 744622 is 226447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226447 = 13 ⋅17419.

It is an interprime number because it is at equal distance from previous prime (744607) and next prime (744637).

It is a congruent number.

It is an unprimeable number.

744622 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 as a sum of consecutive naturals, namely, 186154 + ... + 186157.

It is an arithmetic number, because the mean of its divisors is an integer number (279234).

2⁷⁴⁴⁶²² is an apocalyptic number.

744622 is a deficient number, since it is larger than the sum of its proper divisors (372314).

744622 is a wasteful number, since it uses less digits than its factorization.

744622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372313.

The product of its digits is 2688, while the sum is 25.

The square root of 744622 is about 862.9148277785. The cubic root of 744622 is about 90.6383423875.

The spelling of 744622 in words is "seven hundred forty-four thousand, six hundred twenty-two".