72655675 has 24 divisors (see below), whose sum is σ = 92043216. Its totient is φ = 56883840.

The previous prime is 72655673. The next prime is 72655711. The reversal of 72655675 is 57655627.

It is not a de Polignac number, because 72655675 - 2¹ = 72655673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72655673) 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 23 ways as a sum of consecutive naturals, for example, 419889 + ... + 420061.

It is an arithmetic number, because the mean of its divisors is an integer number (3835134).

Almost surely, 2^72655675 is an apocalyptic number.

72655675 is a deficient number, since it is larger than the sum of its proper divisors (19387541).

72655675 is a wasteful number, since it uses less digits than its factorization.

72655675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 442 counting only the distinct ones).

The product of its digits is 441000, while the sum is 43.

The square root of 72655675 is about 8523.8298317130. The cubic root of 72655675 is about 417.2757828897.

The spelling of 72655675 in words is "seventy-two million, six hundred fifty-five thousand, six hundred seventy-five".