72963778419 has 12 divisors (see below), whose sum is σ = 120448142256. Its totient is φ = 41693587632.

The previous prime is 72963778403. The next prime is 72963778429. The reversal of 72963778419 is 91487736927.

It is not a de Polignac number, because 72963778419 - 2⁴ = 72963778403 is a prime.

It is a super-2 number, since 2×72963778419² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1158155213 = 72963778419 / (7 + 2 + 9 + 6 + 3 + 7 + 7 + 8 + 4 + 1 + 9).

It is not an unprimeable number, because it can be changed into a prime (72963778429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579077544 + ... + 579077669.

It is an arithmetic number, because the mean of its divisors is an integer number (10037345188).

Almost surely, 2^72963778419 is an apocalyptic number.

72963778419 is a deficient number, since it is larger than the sum of its proper divisors (47484363837).

72963778419 is a wasteful number, since it uses less digits than its factorization.

72963778419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158155226 (or 1158155223 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The spelling of 72963778419 in words is "seventy-two billion, nine hundred sixty-three million, seven hundred seventy-eight thousand, four hundred nineteen".