742430 has 16 divisors (see below), whose sum is σ = 1439424. Its totient is φ = 274080.

The previous prime is 742409. The next prime is 742439. The reversal of 742430 is 34247.

It is a happy number.

742430 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 not an unprimeable number, because it can be changed into a prime (742439) by changing a digit.

742430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726 + ... + 2985.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2⁷⁴²⁴³⁰ is an apocalyptic number.

742430 is a deficient number, since it is larger than the sum of its proper divisors (696994).

742430 is a wasteful number, since it uses less digits than its factorization.

742430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 742430 is about 861.6437779036. The cubic root of 742430 is about 90.5493153278.

Adding to 742430 its reverse (34247), we get a palindrome (776677).

The spelling of 742430 in words is "seven hundred forty-two thousand, four hundred thirty".