72363653356 has 6 divisors (see below), whose sum is σ = 126636393380. Its totient is φ = 36181826676.

The previous prime is 72363653311. The next prime is 72363653359. The reversal of 72363653356 is 65335636327.

It is not an unprimeable number, because it can be changed into a prime (72363653359) 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 as a sum of consecutive naturals, namely, 9045456666 + ... + 9045456673.

Almost surely, 2^72363653356 is an apocalyptic number.

It is an amenable number.

72363653356 is a deficient number, since it is larger than the sum of its proper divisors (54272740024).

72363653356 is a wasteful number, since it uses less digits than its factorization.

72363653356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18090913343 (or 18090913341 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 49.

The spelling of 72363653356 in words is "seventy-two billion, three hundred sixty-three million, six hundred fifty-three thousand, three hundred fifty-six".