72952581587 has 8 divisors (see below), whose sum is σ = 73005028272. Its totient is φ = 72900160000.

The previous prime is 72952581523. The next prime is 72952581607. The reversal of 72952581587 is 78518525927.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72952581587 - 2⁶ = 72952581523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72952581517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16365863 + ... + 16370319.

It is an arithmetic number, because the mean of its divisors is an integer number (9125628534).

Almost surely, 2^72952581587 is an apocalyptic number.

72952581587 is a deficient number, since it is larger than the sum of its proper divisors (52446685).

72952581587 is a wasteful number, since it uses less digits than its factorization.

72952581587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549.

The product of its digits is 14112000, while the sum is 59.

The spelling of 72952581587 in words is "seventy-two billion, nine hundred fifty-two million, five hundred eighty-one thousand, five hundred eighty-seven".