72060231136 has 48 divisors (see below), whose sum is σ = 149863392000. Its totient is φ = 34013098368.

The previous prime is 72060231119. The next prime is 72060231161. The reversal of 72060231136 is 63113206027.

It is a super-2 number, since 2×72060231136² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72060231098 and 72060231107.

It is a congruent number.

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, 37336 + ... + 381463.

It is an arithmetic number, because the mean of its divisors is an integer number (3122154000).

Almost surely, 2^72060231136 is an apocalyptic number.

72060231136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72060231136 is an abundant number, since it is smaller than the sum of its proper divisors (77803160864).

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

72060231136 is a wasteful number, since it uses less digits than its factorization.

72060231136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419111 (or 419103 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 72060231136 in words is "seventy-two billion, sixty million, two hundred thirty-one thousand, one hundred thirty-six".