72541319726 has 4 divisors (see below), whose sum is σ = 108811979592. Its totient is φ = 36270659862.

The previous prime is 72541319677. The next prime is 72541319731. The reversal of 72541319726 is 62791314527.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18135329930 + ... + 18135329933.

It is an arithmetic number, because the mean of its divisors is an integer number (27202994898).

Almost surely, 2^72541319726 is an apocalyptic number.

72541319726 is a deficient number, since it is larger than the sum of its proper divisors (36270659866).

72541319726 is a wasteful number, since it uses less digits than its factorization.

72541319726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36270659865.

The product of its digits is 635040, while the sum is 47.

The spelling of 72541319726 in words is "seventy-two billion, five hundred forty-one million, three hundred nineteen thousand, seven hundred twenty-six".