72041554258 has 8 divisors (see below), whose sum is σ = 110982935052. Its totient is φ = 35047242576.

The previous prime is 72041554243. The next prime is 72041554261. The reversal of 72041554258 is 85245514027.

It can be written as a sum of positive squares in 2 ways, for example, as 52227332089 + 19814222169 = 228533^2 + 140763^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486767185 + ... + 486767332.

Almost surely, 2^72041554258 is an apocalyptic number.

72041554258 is a deficient number, since it is larger than the sum of its proper divisors (38941380794).

72041554258 is a wasteful number, since it uses less digits than its factorization.

72041554258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973534556.

The product of its (nonzero) digits is 448000, while the sum is 43.

The spelling of 72041554258 in words is "seventy-two billion, forty-one million, five hundred fifty-four thousand, two hundred fifty-eight".