742050754321 has 4 divisors (see below), whose sum is σ = 781106057200. Its totient is φ = 702995451444.

The previous prime is 742050754309. The next prime is 742050754327. The reversal of 742050754321 is 123457050247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 742050754321 - 2⁹ = 742050753809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742050754327) 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, 19527651411 + ... + 19527651448.

It is an arithmetic number, because the mean of its divisors is an integer number (195276514300).

Almost surely, 2^742050754321 is an apocalyptic number.

It is an amenable number.

742050754321 is a deficient number, since it is larger than the sum of its proper divisors (39055302879).

742050754321 is a wasteful number, since it uses less digits than its factorization.

742050754321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39055302878.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 742050754321 in words is "seven hundred forty-two billion, fifty million, seven hundred fifty-four thousand, three hundred twenty-one".