472017723081 has 16 divisors (see below), whose sum is σ = 639971814144. Its totient is φ = 309389019984.

The previous prime is 472017723071. The next prime is 472017723091. The reversal of 472017723081 is 180327710274.

It is an interprime number because it is at equal distance from previous prime (472017723071) and next prime (472017723091).

It is not a de Polignac number, because 472017723081 - 2⁵ = 472017723049 is a prime.

It is a super-2 number, since 2×472017723081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472017723071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139951 + ... + 2350196.

It is an arithmetic number, because the mean of its divisors is an integer number (39998238384).

Almost surely, 2^472017723081 is an apocalyptic number.

It is an amenable number.

472017723081 is a deficient number, since it is larger than the sum of its proper divisors (167954091063).

472017723081 is a wasteful number, since it uses less digits than its factorization.

472017723081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490740.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 472017723081 in words is "four hundred seventy-two billion, seventeen million, seven hundred twenty-three thousand, eighty-one".