72726001506 has 48 divisors (see below), whose sum is σ = 158451696000. Its totient is φ = 24106953024.

The previous prime is 72726001493. The next prime is 72726001511. The reversal of 72726001506 is 60510062727.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8223435 + ... + 8232273.

It is an arithmetic number, because the mean of its divisors is an integer number (3301077000).

Almost surely, 2^72726001506 is an apocalyptic number.

72726001506 is an abundant number, since it is smaller than the sum of its proper divisors (85725694494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72726001506 is a wasteful number, since it uses less digits than its factorization.

72726001506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343 (or 11340 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 72726001506 in words is "seventy-two billion, seven hundred twenty-six million, one thousand, five hundred six".