72785068019 has 8 divisors (see below), whose sum is σ = 73226279760. Its totient is φ = 72344764800.

The previous prime is 72785068003. The next prime is 72785068021. The reversal of 72785068019 is 91086058727.

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

It is a cyclic number.

It is not a de Polignac number, because 72785068019 - 2⁴ = 72785068003 is a prime.

It is a super-2 number, since 2×72785068019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72785062019) 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, 66074 + ... + 387215.

It is an arithmetic number, because the mean of its divisors is an integer number (9153284970).

Almost surely, 2^72785068019 is an apocalyptic number.

72785068019 is a deficient number, since it is larger than the sum of its proper divisors (441211741).

72785068019 is a wasteful number, since it uses less digits than its factorization.

72785068019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454261.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 72785068019 in words is "seventy-two billion, seven hundred eighty-five million, sixty-eight thousand, nineteen".