72434688898 has 32 divisors (see below), whose sum is σ = 128776822272. Its totient is φ = 30123206400.

The previous prime is 72434688883. The next prime is 72434688929. The reversal of 72434688898 is 89888643427.

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 in 15 ways as a sum of consecutive naturals, for example, 1088338 + ... + 1152973.

It is an arithmetic number, because the mean of its divisors is an integer number (4024275696).

Almost surely, 2^72434688898 is an apocalyptic number.

72434688898 is a deficient number, since it is larger than the sum of its proper divisors (56342133374).

72434688898 is a wasteful number, since it uses less digits than its factorization.

72434688898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241450.

The product of its digits is 148635648, while the sum is 67.

The spelling of 72434688898 in words is "seventy-two billion, four hundred thirty-four million, six hundred eighty-eight thousand, eight hundred ninety-eight".