742998 has 8 divisors (see below), whose sum is σ = 1486008. Its totient is φ = 247664.

The previous prime is 742993. The next prime is 742999. The reversal of 742998 is 899247.

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

742998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742991) by changing a digit.

742998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61911 + ... + 61922.

It is an arithmetic number, because the mean of its divisors is an integer number (185751).

2⁷⁴²⁹⁹⁸ is an apocalyptic number.

742998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742998 is a wasteful number, since it uses less digits than its factorization.

742998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123838.

The product of its digits is 36288, while the sum is 39.

The square root of 742998 is about 861.9733174525. The cubic root of 742998 is about 90.5724011858.

The spelling of 742998 in words is "seven hundred forty-two thousand, nine hundred ninety-eight".