72271642715 has 8 divisors (see below), whose sum is σ = 86740392240. Its totient is φ = 57807700192.

The previous prime is 72271642687. The next prime is 72271642727. The reversal of 72271642715 is 51724617227.

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

It is a cyclic number.

It is not a de Polignac number, because 72271642715 - 2¹⁰ = 72271641691 is a prime.

It is a super-2 number, since 2×72271642715² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168589 + ... + 1228878.

It is an arithmetic number, because the mean of its divisors is an integer number (10842549030).

Almost surely, 2^72271642715 is an apocalyptic number.

72271642715 is a deficient number, since it is larger than the sum of its proper divisors (14468749525).

72271642715 is a wasteful number, since it uses less digits than its factorization.

72271642715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403501.

The product of its digits is 329280, while the sum is 44.

The spelling of 72271642715 in words is "seventy-two billion, two hundred seventy-one million, six hundred forty-two thousand, seven hundred fifteen".