72026613022615 has 16 divisors (see below), whose sum is σ = 87960380653152. Its totient is φ = 56610999097344.

The previous prime is 72026613022601. The next prime is 72026613022643. The reversal of 72026613022615 is 51622031662027.

It is a cyclic number.

It is not a de Polignac number, because 72026613022615 - 2⁷ = 72026613022487 is a prime.

It is a super-4 number, since 4×72026613022615⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541935309 + ... + 542068198.

It is an arithmetic number, because the mean of its divisors is an integer number (5497523790822).

Almost surely, 2^{72026613022615} is an apocalyptic number.

72026613022615 is a deficient number, since it is larger than the sum of its proper divisors (15933767630537).

72026613022615 is a wasteful number, since it uses less digits than its factorization.

72026613022615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084003746.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 72026613022615 in words is "seventy-two trillion, twenty-six billion, six hundred thirteen million, twenty-two thousand, six hundred fifteen".