72527467885636 has 27 divisors (see below), whose sum is σ = 129682448266399. Its totient is φ = 35491773385448.

The previous prime is 72527467885633. The next prime is 72527467885669. The reversal of 72527467885636 is 63658876472527.

The square root of 72527467885636 is 8516306.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×72527467885636² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72527467885633) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 800487465 + ... + 800578063.

Almost surely, 2^{72527467885636} is an apocalyptic number.

72527467885636 is the 8516306-th square number.

It is an amenable number.

72527467885636 is a deficient number, since it is larger than the sum of its proper divisors (57154980380763).

72527467885636 is an frugal number, since it uses more digits than its factorization.

72527467885636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181296 (or 90648 counting only the distinct ones).

The product of its digits is 5689958400, while the sum is 76.

The spelling of 72527467885636 in words is "seventy-two trillion, five hundred twenty-seven billion, four hundred sixty-seven million, eight hundred eighty-five thousand, six hundred thirty-six".