72649675 has 12 divisors (see below), whose sum is σ = 102955216. Its totient is φ = 49816800.

The previous prime is 72649627. The next prime is 72649679. The reversal of 72649675 is 57694627.

It is a de Polignac number, because none of the positive numbers 2^k-72649675 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72649679) 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 11 ways as a sum of consecutive naturals, for example, 207396 + ... + 207745.

Almost surely, 2^72649675 is an apocalyptic number.

72649675 is a deficient number, since it is larger than the sum of its proper divisors (30305541).

72649675 is a wasteful number, since it uses less digits than its factorization.

72649675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415158 (or 415153 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 72649675 is about 8523.4778699777. The cubic root of 72649675 is about 417.2642961815.

The spelling of 72649675 in words is "seventy-two million, six hundred forty-nine thousand, six hundred seventy-five".