72771021452060 has 96 divisors (see below), whose sum is σ = 154341321317568. Its totient is φ = 28820167649280.

The previous prime is 72771021452057. The next prime is 72771021452093. The reversal of 72771021452060 is 6025412017727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885068072 + ... + 885150288.

It is an arithmetic number, because the mean of its divisors is an integer number (1607722097058).

Almost surely, 2^{72771021452060} is an apocalyptic number.

It is an amenable number.

72771021452060 is an abundant number, since it is smaller than the sum of its proper divisors (81570299865508).

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

72771021452060 is a wasteful number, since it uses less digits than its factorization.

72771021452060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83511 (or 83509 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

Adding to 72771021452060 its reverse (6025412017727), we get a palindrome (78796433469787).

The spelling of 72771021452060 in words is "seventy-two trillion, seven hundred seventy-one billion, twenty-one million, four hundred fifty-two thousand, sixty".