742893223 has 4 divisors (see below), whose sum is σ = 744498208. Its totient is φ = 741288240.

The previous prime is 742893211. The next prime is 742893287. The reversal of 742893223 is 322398247.

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 742893223 - 2⁵ = 742893191 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 (742893023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801798 + ... + 802723.

It is an arithmetic number, because the mean of its divisors is an integer number (186124552).

Almost surely, 2^742893223 is an apocalyptic number.

742893223 is a deficient number, since it is larger than the sum of its proper divisors (1604985).

742893223 is a wasteful number, since it uses less digits than its factorization.

742893223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604984.

The product of its digits is 145152, while the sum is 40.

The square root of 742893223 is about 27256.0676363998. The cubic root of 742893223 is about 905.6814350247.

The spelling of 742893223 in words is "seven hundred forty-two million, eight hundred ninety-three thousand, two hundred twenty-three".