72330323956 has 24 divisors (see below), whose sum is σ = 138373482240. Its totient is φ = 32808772800.

The previous prime is 72330323899. The next prime is 72330323957. The reversal of 72330323956 is 65932303327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72330323957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694865 + ... + 1737016.

It is an arithmetic number, because the mean of its divisors is an integer number (5765561760).

Almost surely, 2^72330323956 is an apocalyptic number.

It is an amenable number.

72330323956 is a deficient number, since it is larger than the sum of its proper divisors (66043158284).

72330323956 is a wasteful number, since it uses less digits than its factorization.

72330323956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432375 (or 3432373 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 43.

The spelling of 72330323956 in words is "seventy-two billion, three hundred thirty million, three hundred twenty-three thousand, nine hundred fifty-six".