72643273310262 has 64 divisors (see below), whose sum is σ = 147242111385600. Its totient is φ = 23890403243520.

The previous prime is 72643273310249. The next prime is 72643273310359. The reversal of 72643273310262 is 26201337234627.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2541826689 + ... + 2541855267.

It is an arithmetic number, because the mean of its divisors is an integer number (2300657990400).

Almost surely, 2^{72643273310262} is an apocalyptic number.

72643273310262 is an abundant number, since it is smaller than the sum of its proper divisors (74598838075338).

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

72643273310262 is a wasteful number, since it uses less digits than its factorization.

72643273310262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45061.

The product of its (nonzero) digits is 3048192, while the sum is 48.

The spelling of 72643273310262 in words is "seventy-two trillion, six hundred forty-three billion, two hundred seventy-three million, three hundred ten thousand, two hundred sixty-two".