72057065061 has 8 divisors (see below), whose sum is σ = 97510058464. Its totient is φ = 47321057520.

The previous prime is 72057065051. The next prime is 72057065081. The reversal of 72057065061 is 16056075027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72057065061 - 2¹⁴ = 72057048677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72057065051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179246230 + ... + 179246631.

It is an arithmetic number, because the mean of its divisors is an integer number (12188757308).

Almost surely, 2^72057065061 is an apocalyptic number.

It is an amenable number.

72057065061 is a deficient number, since it is larger than the sum of its proper divisors (25452993403).

72057065061 is a wasteful number, since it uses less digits than its factorization.

72057065061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358492931.

The product of its (nonzero) digits is 88200, while the sum is 39.

It can be divided in two parts, 720570 and 65061, that added together give a triangular number (785631 = T₁₂₅₃).

The spelling of 72057065061 in words is "seventy-two billion, fifty-seven million, sixty-five thousand, sixty-one".