72213426727 has 48 divisors (see below), whose sum is σ = 85835052000. Its totient is φ = 60443615232.

The previous prime is 72213426709. The next prime is 72213426737. The reversal of 72213426727 is 72762431227.

It is not a de Polignac number, because 72213426727 - 2³⁵ = 37853688359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72213426737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71568799 + ... + 71569807.

It is an arithmetic number, because the mean of its divisors is an integer number (1788230250).

Almost surely, 2^72213426727 is an apocalyptic number.

72213426727 is a deficient number, since it is larger than the sum of its proper divisors (13621625273).

72213426727 is a wasteful number, since it uses less digits than its factorization.

72213426727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1927 counting only the distinct ones).

The product of its digits is 395136, while the sum is 43.

The spelling of 72213426727 in words is "seventy-two billion, two hundred thirteen million, four hundred twenty-six thousand, seven hundred twenty-seven".