742093 has 6 divisors (see below), whose sum is σ = 815822. Its totient is φ = 674520.

The previous prime is 742073. The next prime is 742111. The reversal of 742093 is 390247.

It can be written as a sum of positive squares in only one way, i.e., 736164 + 5929 = 858^2 + 77^2 .

It is a de Polignac number, because none of the positive numbers 2^k-742093 is a prime.

It is a Duffinian number.

742093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742073) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2946 + ... + 3187.

2⁷⁴²⁰⁹³ is an apocalyptic number.

It is an amenable number.

742093 is a deficient number, since it is larger than the sum of its proper divisors (73729).

742093 is a wasteful number, since it uses less digits than its factorization.

742093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155 (or 6144 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 742093 is about 861.4481992552. The cubic root of 742093 is about 90.5356126948.

The spelling of 742093 in words is "seven hundred forty-two thousand, ninety-three".