72630783835 has 4 divisors (see below), whose sum is σ = 87156940608. Its totient is φ = 58104627064.

The previous prime is 72630783811. The next prime is 72630783899. The reversal of 72630783835 is 53838703627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72630783835 - 2¹⁹ = 72630259547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7263078379 + ... + 7263078388.

It is an arithmetic number, because the mean of its divisors is an integer number (21789235152).

Almost surely, 2^72630783835 is an apocalyptic number.

72630783835 is a deficient number, since it is larger than the sum of its proper divisors (14526156773).

72630783835 is a wasteful number, since it uses less digits than its factorization.

72630783835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526156772.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 72630783835 in words is "seventy-two billion, six hundred thirty million, seven hundred eighty-three thousand, eight hundred thirty-five".