742684373556 has 12 divisors (see below), whose sum is σ = 1732930204992. Its totient is φ = 247561457848.

The previous prime is 742684373549. The next prime is 742684373573. The reversal of 742684373556 is 655373486247.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 742684373556.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30945182220 + ... + 30945182243.

It is an arithmetic number, because the mean of its divisors is an integer number (144410850416).

Almost surely, 2^742684373556 is an apocalyptic number.

It is an amenable number.

742684373556 is an abundant number, since it is smaller than the sum of its proper divisors (990245831436).

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

742684373556 is a wasteful number, since it uses less digits than its factorization.

742684373556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61890364470 (or 61890364468 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 60.

The spelling of 742684373556 in words is "seven hundred forty-two billion, six hundred eighty-four million, three hundred seventy-three thousand, five hundred fifty-six".