68372771002 has 32 divisors (see below), whose sum is σ = 113490502272. Its totient is φ = 30728400384.

The previous prime is 68372770997. The next prime is 68372771003. The reversal of 68372771002 is 20017727386.

It is a self number, because there is not a number n which added to its sum of digits gives 68372771002.

It is not an unprimeable number, because it can be changed into a prime (68372771003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434838 + ... + 570814.

It is an arithmetic number, because the mean of its divisors is an integer number (3546578196).

Almost surely, 2^68372771002 is an apocalyptic number.

68372771002 is a deficient number, since it is larger than the sum of its proper divisors (45117731270).

68372771002 is a wasteful number, since it uses less digits than its factorization.

68372771002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136662.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 68372771002 in words is "sixty-eight billion, three hundred seventy-two million, seven hundred seventy-one thousand, two".