742231943 has 4 divisors (see below), whose sum is σ = 758024160. Its totient is φ = 726439728.

The previous prime is 742231933. The next prime is 742232009. The reversal of 742231943 is 349132247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742231943 - 2⁴ = 742231927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742231933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7896038 + ... + 7896131.

It is an arithmetic number, because the mean of its divisors is an integer number (189506040).

Almost surely, 2^742231943 is an apocalyptic number.

742231943 is a deficient number, since it is larger than the sum of its proper divisors (15792217).

742231943 is a wasteful number, since it uses less digits than its factorization.

742231943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792216.

The product of its digits is 36288, while the sum is 35.

The square root of 742231943 is about 27243.9340587955. The cubic root of 742231943 is about 905.4126270752.

The spelling of 742231943 in words is "seven hundred forty-two million, two hundred thirty-one thousand, nine hundred forty-three".