72945500356 has 24 divisors (see below), whose sum is σ = 129287531520. Its totient is φ = 36006327552.

The previous prime is 72945500281. The next prime is 72945500363. The reversal of 72945500356 is 65300554927.

It is a super-2 number, since 2×72945500356² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654125 + ... + 4669771.

It is an arithmetic number, because the mean of its divisors is an integer number (5386980480).

Almost surely, 2^72945500356 is an apocalyptic number.

It is an amenable number.

72945500356 is a deficient number, since it is larger than the sum of its proper divisors (56342031164).

72945500356 is a wasteful number, since it uses less digits than its factorization.

72945500356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30483 (or 30481 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 72945500356 in words is "seventy-two billion, nine hundred forty-five million, five hundred thousand, three hundred fifty-six".