742893 has 8 divisors (see below), whose sum is σ = 1024800. Its totient is φ = 478128.

The previous prime is 742891. The next prime is 742897. The reversal of 742893 is 398247.

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

It is not a de Polignac number, because 742893 - 2¹ = 742891 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4183 + ... + 4356.

It is an arithmetic number, because the mean of its divisors is an integer number (128100).

2⁷⁴²⁸⁹³ is an apocalyptic number.

It is an amenable number.

742893 is a deficient number, since it is larger than the sum of its proper divisors (281907).

742893 is a wasteful number, since it uses less digits than its factorization.

742893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571.

The product of its digits is 12096, while the sum is 33.

The square root of 742893 is about 861.9124085428. The cubic root of 742893 is about 90.5681344403.

The spelling of 742893 in words is "seven hundred forty-two thousand, eight hundred ninety-three".