72796785019 has 16 divisors (see below), whose sum is σ = 83887372800. Its totient is φ = 61879596480.

The previous prime is 72796784971. The next prime is 72796785029. The reversal of 72796785019 is 91058769727.

It is a cyclic number.

It is not a de Polignac number, because 72796785019 - 2¹⁹ = 72796260731 is a prime.

It is a super-2 number, since 2×72796785019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72796785029) 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 15 ways as a sum of consecutive naturals, for example, 1389207 + ... + 1440655.

It is an arithmetic number, because the mean of its divisors is an integer number (5242960800).

Almost surely, 2^72796785019 is an apocalyptic number.

72796785019 is a deficient number, since it is larger than the sum of its proper divisors (11090587781).

72796785019 is a wasteful number, since it uses less digits than its factorization.

72796785019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53130.

The product of its (nonzero) digits is 13335840, while the sum is 61.

The spelling of 72796785019 in words is "seventy-two billion, seven hundred ninety-six million, seven hundred eighty-five thousand, nineteen".