742112237726 has 32 divisors (see below), whose sum is σ = 1135437004800. Its totient is φ = 363709120320.

The previous prime is 742112237723. The next prime is 742112237749. The reversal of 742112237726 is 627732211247.

It is a happy number.

It is a super-2 number, since 2×742112237726² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742112237723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15155090 + ... + 15203978.

It is an arithmetic number, because the mean of its divisors is an integer number (35482406400).

Almost surely, 2^742112237726 is an apocalyptic number.

742112237726 is a deficient number, since it is larger than the sum of its proper divisors (393324767074).

742112237726 is a wasteful number, since it uses less digits than its factorization.

742112237726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49664.

The product of its digits is 395136, while the sum is 44.

The spelling of 742112237726 in words is "seven hundred forty-two billion, one hundred twelve million, two hundred thirty-seven thousand, seven hundred twenty-six".