742808293 has 8 divisors (see below), whose sum is σ = 754228800. Its totient is φ = 731468928.

The previous prime is 742808279. The next prime is 742808309. The reversal of 742808293 is 392808247.

It is a happy number.

742808293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742808293 - 2²¹ = 740711141 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 (742808593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708 + ... + 38581.

It is an arithmetic number, because the mean of its divisors is an integer number (94278600).

Almost surely, 2^742808293 is an apocalyptic number.

It is an amenable number.

742808293 is a deficient number, since it is larger than the sum of its proper divisors (11420507).

742808293 is a wasteful number, since it uses less digits than its factorization.

742808293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40571.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 742808293 is about 27254.5095901577. The cubic root of 742808293 is about 905.6469202145.

The spelling of 742808293 in words is "seven hundred forty-two million, eight hundred eight thousand, two hundred ninety-three".