72454427008 has 16 divisors (see below), whose sum is σ = 144342804060. Its totient is φ = 36227213440.

The previous prime is 72454426987. The next prime is 72454427039. The reversal of 72454427008 is 80072445427.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283024978 + ... + 283025233.

Almost surely, 2^72454427008 is an apocalyptic number.

It is an amenable number.

72454427008 is a deficient number, since it is larger than the sum of its proper divisors (71888377052).

72454427008 is an equidigital number, since it uses as much as digits as its factorization.

72454427008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566050225 (or 566050213 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 43.

The spelling of 72454427008 in words is "seventy-two billion, four hundred fifty-four million, four hundred twenty-seven thousand, eight".