72569717348 has 12 divisors (see below), whose sum is σ = 127966449072. Its totient is φ = 36007874760.

The previous prime is 72569717347. The next prime is 72569717377. The reversal of 72569717348 is 84371796527.

It is a happy number.

It is a super-2 number, since 2×72569717348² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72569717347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69245390 + ... + 69246437.

It is an arithmetic number, because the mean of its divisors is an integer number (10663870756).

Almost surely, 2^72569717348 is an apocalyptic number.

It is an amenable number.

72569717348 is a deficient number, since it is larger than the sum of its proper divisors (55396731724).

72569717348 is a wasteful number, since it uses less digits than its factorization.

72569717348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138491962 (or 138491960 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 59.

The spelling of 72569717348 in words is "seventy-two billion, five hundred sixty-nine million, seven hundred seventeen thousand, three hundred forty-eight".