72542628094850 has 12 divisors (see below), whose sum is σ = 134929288256514. Its totient is φ = 29017051237920.

The previous prime is 72542628094793. The next prime is 72542628094877. The reversal of 72542628094850 is 5849082624527.

It can be written as a sum of positive squares in 3 ways, for example, as 54394917334681 + 18147710760169 = 7375291^2 + 4260013^2 .

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 5 ways as a sum of consecutive naturals, for example, 725426280899 + ... + 725426280998.

Almost surely, 2^{72542628094850} is an apocalyptic number.

72542628094850 is a deficient number, since it is larger than the sum of its proper divisors (62386660161664).

72542628094850 is a wasteful number, since it uses less digits than its factorization.

72542628094850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450852561909 (or 1450852561904 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 72542628094850 in words is "seventy-two trillion, five hundred forty-two billion, six hundred twenty-eight million, ninety-four thousand, eight hundred fifty".