742913393 has 4 divisors (see below), whose sum is σ = 752317440. Its totient is φ = 733509348.

The previous prime is 742913377. The next prime is 742913453. The reversal of 742913393 is 393319247.

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 742913393 - 2⁴ = 742913377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742913393.

It is not an unprimeable number, because it can be changed into a prime (742933393) 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, 4701905 + ... + 4702062.

It is an arithmetic number, because the mean of its divisors is an integer number (188079360).

Almost surely, 2^742913393 is an apocalyptic number.

It is an amenable number.

742913393 is a deficient number, since it is larger than the sum of its proper divisors (9404047).

742913393 is an equidigital number, since it uses as much as digits as its factorization.

742913393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404046.

The product of its digits is 122472, while the sum is 41.

The square root of 742913393 is about 27256.4376432431. The cubic root of 742913393 is about 905.6896315500.

The spelling of 742913393 in words is "seven hundred forty-two million, nine hundred thirteen thousand, three hundred ninety-three".