742126373 has 4 divisors (see below), whose sum is σ = 744229068. Its totient is φ = 740023680.

The previous prime is 742126361. The next prime is 742126409. The reversal of 742126373 is 373621247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373621247 = 607 ⋅615521.

It can be written as a sum of positive squares in 2 ways, for example, as 350363524 + 391762849 = 18718^2 + 19793^2 .

It is a cyclic number.

It is not a de Polignac number, because 742126373 - 2²⁰ = 741077797 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 (742126573) 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, 1050818 + ... + 1051523.

It is an arithmetic number, because the mean of its divisors is an integer number (186057267).

Almost surely, 2^742126373 is an apocalyptic number.

It is an amenable number.

742126373 is a deficient number, since it is larger than the sum of its proper divisors (2102695).

742126373 is a wasteful number, since it uses less digits than its factorization.

742126373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102694.

The product of its digits is 42336, while the sum is 35.

The square root of 742126373 is about 27241.9964943834. The cubic root of 742126373 is about 905.3696984714.

The spelling of 742126373 in words is "seven hundred forty-two million, one hundred twenty-six thousand, three hundred seventy-three".