72901762965 has 24 divisors (see below), whose sum is σ = 131043171168. Its totient is φ = 38880939600.

The previous prime is 72901762961. The next prime is 72901763029. The reversal of 72901762965 is 56926710927.

72901762965 is a `hidden beast` number, since 7 + 2 + 9 + 0 + 1 + 7 + 629 + 6 + 5 = 666.

It is not a de Polignac number, because 72901762965 - 2² = 72901762961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72901762961) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 29999511 + ... + 30001940.

It is an arithmetic number, because the mean of its divisors is an integer number (5460132132).

Almost surely, 2^72901762965 is an apocalyptic number.

It is an amenable number.

72901762965 is a deficient number, since it is larger than the sum of its proper divisors (58141408203).

72901762965 is an equidigital number, since it uses as much as digits as its factorization.

72901762965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60001471 (or 60001459 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 72901762965 in words is "seventy-two billion, nine hundred one million, seven hundred sixty-two thousand, nine hundred sixty-five".