742744 has 16 divisors (see below), whose sum is σ = 1402200. Its totient is φ = 368832.

The previous prime is 742723. The next prime is 742757. The reversal of 742744 is 447247.

742744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612 + ... + 2020.

2⁷⁴²⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

742744 is a deficient number, since it is larger than the sum of its proper divisors (659456).

742744 is a wasteful number, since it uses less digits than its factorization.

742744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 638 counting only the distinct ones).

The product of its digits is 6272, while the sum is 28.

The square root of 742744 is about 861.8259685110. The cubic root of 742744 is about 90.5620790351.

The spelling of 742744 in words is "seven hundred forty-two thousand, seven hundred forty-four", and thus it is an iban number.