72047000032 has 24 divisors (see below), whose sum is σ = 162105750576. Its totient is φ = 30877285632.

The previous prime is 72046999979. The next prime is 72047000057. The reversal of 72047000032 is 23000074027.

It is a super-2 number, since 2×72047000032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72046999970 and 72047000006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160818973 + ... + 160819420.

It is an arithmetic number, because the mean of its divisors is an integer number (6754406274).

Almost surely, 2^72047000032 is an apocalyptic number.

It is an amenable number.

72047000032 is an abundant number, since it is smaller than the sum of its proper divisors (90058750544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72047000032 is a wasteful number, since it uses less digits than its factorization.

72047000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321638410 (or 321638402 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

Adding to 72047000032 its reverse (23000074027), we get a palindrome (95047074059).

The spelling of 72047000032 in words is "seventy-two billion, forty-seven million, thirty-two", and thus it is an aban number and an uban number.