72533865142 has 8 divisors (see below), whose sum is σ = 111454475832. Its totient is φ = 35382373200.

The previous prime is 72533865109. The next prime is 72533865163. The reversal of 72533865142 is 24156833527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72533865142² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72533865092 and 72533865101.

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, 442279584 + ... + 442279747.

It is an arithmetic number, because the mean of its divisors is an integer number (13931809479).

Almost surely, 2^72533865142 is an apocalyptic number.

72533865142 is a deficient number, since it is larger than the sum of its proper divisors (38920610690).

72533865142 is a wasteful number, since it uses less digits than its factorization.

72533865142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884559374.

The product of its digits is 1209600, while the sum is 46.

The spelling of 72533865142 in words is "seventy-two billion, five hundred thirty-three million, eight hundred sixty-five thousand, one hundred forty-two".