743442 has 32 divisors (see below), whose sum is σ = 1757184. Its totient is φ = 205200.

The previous prime is 743423. The next prime is 743447. The reversal of 743442 is 244347.

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 15 ways as a sum of consecutive naturals, for example, 1017 + ... + 1587.

It is an arithmetic number, because the mean of its divisors is an integer number (54912).

2⁷⁴³⁴⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878592).

743442 is an abundant number, since it is smaller than the sum of its proper divisors (1013742).

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

743442 is a wasteful number, since it uses less digits than its factorization.

743442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614.

The product of its digits is 2688, while the sum is 24.

The square root of 743442 is about 862.2308275630. The cubic root of 743442 is about 90.5904389815.

Adding to 743442 its reverse (244347), we get a palindrome (987789).

The spelling of 743442 in words is "seven hundred forty-three thousand, four hundred forty-two", and thus it is an iban number.