72065163212700 has 72 divisors (see below), whose sum is σ = 238295473030272. Its totient is φ = 16472037305280.

The previous prime is 72065163212683. The next prime is 72065163212723. The reversal of 72065163212700 is 721236156027.

72065163212700 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17158370094 + ... + 17158374293.

Almost surely, 2^{72065163212700} is an apocalyptic number.

72065163212700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72065163212700 is an abundant number, since it is smaller than the sum of its proper divisors (166230309817572).

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

72065163212700 is a wasteful number, since it uses less digits than its factorization.

72065163212700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34316744411 (or 34316744404 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

Adding to 72065163212700 its reverse (721236156027), we get a palindrome (72786399368727).

The spelling of 72065163212700 in words is "seventy-two trillion, sixty-five billion, one hundred sixty-three million, two hundred twelve thousand, seven hundred".