72386551501 has 8 divisors (see below), whose sum is σ = 78984918144. Its totient is φ = 65791146720.

The previous prime is 72386551483. The next prime is 72386551537. The reversal of 72386551501 is 10515568327.

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 72386551501 - 2⁹ = 72386550989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72386551801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689205 + ... + 787258.

It is an arithmetic number, because the mean of its divisors is an integer number (9873114768).

Almost surely, 2^72386551501 is an apocalyptic number.

It is an amenable number.

72386551501 is a deficient number, since it is larger than the sum of its proper divisors (6598366643).

72386551501 is a wasteful number, since it uses less digits than its factorization.

72386551501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480931.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 72386551501 in words is "seventy-two billion, three hundred eighty-six million, five hundred fifty-one thousand, five hundred one".