72067701154 has 8 divisors (see below), whose sum is σ = 108661663980. Its totient is φ = 35847146496.

The previous prime is 72067701133. The next prime is 72067701221. The reversal of 72067701154 is 45110776027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72019773225 + 47927929 = 268365^2 + 6923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 93351559 + ... + 93352330.

Almost surely, 2^72067701154 is an apocalyptic number.

72067701154 is a deficient number, since it is larger than the sum of its proper divisors (36593962826).

72067701154 is a wasteful number, since it uses less digits than its factorization.

72067701154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186704084.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 72067701154 in words is "seventy-two billion, sixty-seven million, seven hundred one thousand, one hundred fifty-four".