72963778430 has 8 divisors (see below), whose sum is σ = 131334801192. Its totient is φ = 29185511368.

The previous prime is 72963778429. The next prime is 72963778441. The reversal of 72963778430 is 3487736927.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3648188912 + ... + 3648188931.

It is an arithmetic number, because the mean of its divisors is an integer number (16416850149).

Almost surely, 2^72963778430 is an apocalyptic number.

72963778430 is a deficient number, since it is larger than the sum of its proper divisors (58371022762).

72963778430 is a wasteful number, since it uses less digits than its factorization.

72963778430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296377850.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 72963778430 in words is "seventy-two billion, nine hundred sixty-three million, seven hundred seventy-eight thousand, four hundred thirty".