743542 has 8 divisors (see below), whose sum is σ = 1119456. Its totient is φ = 370392.

The previous prime is 743507. The next prime is 743549. The reversal of 743542 is 245347.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743549) 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 3 ways as a sum of consecutive naturals, for example, 228 + ... + 1240.

It is an arithmetic number, because the mean of its divisors is an integer number (139932).

2⁷⁴³⁵⁴² is an apocalyptic number.

743542 is a deficient number, since it is larger than the sum of its proper divisors (375914).

743542 is a wasteful number, since it uses less digits than its factorization.

743542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382.

The product of its digits is 3360, while the sum is 25.

The square root of 743542 is about 862.2888147251. The cubic root of 743542 is about 90.5945005572.

Adding to 743542 its reverse (245347), we get a palindrome (988889).

The spelling of 743542 in words is "seven hundred forty-three thousand, five hundred forty-two".