742672557726 has 64 divisors (see below), whose sum is σ = 1706162814720. Its totient is φ = 213144514560.

The previous prime is 742672557721. The next prime is 742672557751. The reversal of 742672557726 is 627755276247.

It is a self number, because there is not a number n which added to its sum of digits gives 742672557726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742672557721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4249420 + ... + 4420736.

It is an arithmetic number, because the mean of its divisors is an integer number (26658793980).

Almost surely, 2^742672557726 is an apocalyptic number.

742672557726 is an abundant number, since it is smaller than the sum of its proper divisors (963490256994).

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

742672557726 is a wasteful number, since it uses less digits than its factorization.

742672557726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174809.

The product of its digits is 69148800, while the sum is 60.

The spelling of 742672557726 in words is "seven hundred forty-two billion, six hundred seventy-two million, five hundred fifty-seven thousand, seven hundred twenty-six".