72207215458 has 48 divisors (see below), whose sum is σ = 127123517664. Its totient is φ = 30669213120.

The previous prime is 72207215429. The next prime is 72207215489. The reversal of 72207215458 is 85451270227.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 10998885 + ... + 11005447.

It is an arithmetic number, because the mean of its divisors is an integer number (2648406618).

Almost surely, 2^72207215458 is an apocalyptic number.

72207215458 is a deficient number, since it is larger than the sum of its proper divisors (54916302206).

72207215458 is a wasteful number, since it uses less digits than its factorization.

72207215458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567 (or 7560 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 43.

The spelling of 72207215458 in words is "seventy-two billion, two hundred seven million, two hundred fifteen thousand, four hundred fifty-eight".