72324677 has 8 divisors (see below), whose sum is σ = 75299736. Its totient is φ = 69403392.

The previous prime is 72324653. The next prime is 72324713. The reversal of 72324677 is 77642327.

It can be written as a sum of positive squares in 4 ways, for example, as 14092516 + 58232161 = 3754^2 + 7631^2 .

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 72324677 - 2¹⁶ = 72259141 is a prime.

It is a super-3 number, since 3×72324677³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72324677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72324607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10688 + ... + 16089.

It is an arithmetic number, because the mean of its divisors is an integer number (9412467).

Almost surely, 2^72324677 is an apocalyptic number.

It is an amenable number.

72324677 is a deficient number, since it is larger than the sum of its proper divisors (2975059).

72324677 is a wasteful number, since it uses less digits than its factorization.

72324677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26887.

The product of its digits is 98784, while the sum is 38.

The square root of 72324677 is about 8504.3916302108. The cubic root of 72324677 is about 416.6411560559.

The spelling of 72324677 in words is "seventy-two million, three hundred twenty-four thousand, six hundred seventy-seven".