72655627 has 8 divisors (see below), whose sum is σ = 80216640. Its totient is φ = 65253960.

The previous prime is 72655577. The next prime is 72655657.

72655627 is nontrivially palindromic in base 10.

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 72655627 - 2¹¹ = 72653579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72655627.

It is not an unprimeable number, because it can be changed into a prime (72655657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38877 + ... + 40702.

It is an arithmetic number, because the mean of its divisors is an integer number (10027080).

Almost surely, 2^72655627 is an apocalyptic number.

72655627 is a deficient number, since it is larger than the sum of its proper divisors (7561013).

72655627 is a wasteful number, since it uses less digits than its factorization.

72655627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79673.

The product of its digits is 176400, while the sum is 40.

The square root of 72655627 is about 8523.8270160768. The cubic root of 72655627 is about 417.2756909985.

The spelling of 72655627 in words is "seventy-two million, six hundred fifty-five thousand, six hundred twenty-seven".