72651870411 has 8 divisors (see below), whose sum is σ = 96882022800. Its totient is φ = 48428149152.

The previous prime is 72651870359. The next prime is 72651870427. The reversal of 72651870411 is 11407815627.

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

It is not a de Polignac number, because 72651870411 - 2²² = 72647676107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72651874411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1581360 + ... + 1626653.

It is an arithmetic number, because the mean of its divisors is an integer number (12110252850).

Almost surely, 2^72651870411 is an apocalyptic number.

72651870411 is a deficient number, since it is larger than the sum of its proper divisors (24230152389).

72651870411 is a wasteful number, since it uses less digits than its factorization.

72651870411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215565.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 72651870411 in words is "seventy-two billion, six hundred fifty-one million, eight hundred seventy thousand, four hundred eleven".