72707726415 has 8 divisors (see below), whose sum is σ = 116332362288. Its totient is φ = 38777454080.

The previous prime is 72707726407. The next prime is 72707726423. The reversal of 72707726415 is 51462770727.

It is an interprime number because it is at equal distance from previous prime (72707726407) and next prime (72707726423).

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

It is not a de Polignac number, because 72707726415 - 2³ = 72707726407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423590866 + ... + 2423590895.

It is an arithmetic number, because the mean of its divisors is an integer number (14541545286).

Almost surely, 2^72707726415 is an apocalyptic number.

72707726415 is a deficient number, since it is larger than the sum of its proper divisors (43624635873).

72707726415 is a wasteful number, since it uses less digits than its factorization.

72707726415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847181769.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 72707726415 in words is "seventy-two billion, seven hundred seven million, seven hundred twenty-six thousand, four hundred fifteen".