734542 has 8 divisors (see below), whose sum is σ = 1116000. Its totient is φ = 362544.

The previous prime is 734537. The next prime is 734543. The reversal of 734542 is 245437.

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 (734543) by changing a digit.

734542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2167 + ... + 2482.

It is an arithmetic number, because the mean of its divisors is an integer number (139500).

2⁷³⁴⁵⁴² is an apocalyptic number.

734542 is a deficient number, since it is larger than the sum of its proper divisors (381458).

734542 is a wasteful number, since it uses less digits than its factorization.

734542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730.

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

The square root of 734542 is about 857.0542573256. The cubic root of 734542 is about 90.2274903385.

Adding to 734542 its reverse (245437), we get a palindrome (979979).

The spelling of 734542 in words is "seven hundred thirty-four thousand, five hundred forty-two".