72613025654526 has 160 divisors (see below), whose sum is σ = 188115070758912. Its totient is φ = 20506496362560.

The previous prime is 72613025654467. The next prime is 72613025654557. The reversal of 72613025654526 is 62545652031627.

72613025654526 is a `hidden beast` number, since 7 + 2 + 6 + 1 + 30 + 2 + 565 + 45 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 32937585 + ... + 35072931.

Almost surely, 2^{72613025654526} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72613025654526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94057535379456).

72613025654526 is an abundant number, since it is smaller than the sum of its proper divisors (115502045104386).

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

72613025654526 is a wasteful number, since it uses less digits than its factorization.

72613025654526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135716 (or 2135707 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 72613025654526 in words is "seventy-two trillion, six hundred thirteen billion, twenty-five million, six hundred fifty-four thousand, five hundred twenty-six".