743444 has 36 divisors (see below), whose sum is σ = 1536444. Its totient is φ = 311808.

The previous prime is 743423. The next prime is 743447. The reversal of 743444 is 444347.

It can be written as a sum of positive squares in 6 ways, for example, as 400 + 743044 = 20^2 + 862^2 .

It is a super-2 number, since 2×743444² = 1105417962272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 743444.

It is not an unprimeable number, because it can be changed into a prime (743447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25622 + ... + 25650.

It is an arithmetic number, because the mean of its divisors is an integer number (42679).

2⁷⁴³⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

743444 is an abundant number, since it is smaller than the sum of its proper divisors (793000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743444 is a wasteful number, since it uses less digits than its factorization.

743444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 61 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 743444 is about 862.2319873445. The cubic root of 743444 is about 90.5905202166.

The spelling of 743444 in words is "seven hundred forty-three thousand, four hundred forty-four", and thus it is an iban number.