72675865 has 8 divisors (see below), whose sum is σ = 89066880. Its totient is φ = 56903472.

The previous prime is 72675851. The next prime is 72675871. The reversal of 72675865 is 56857627.

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 72675865 - 2¹⁵ = 72643097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154395 + ... + 154864.

It is an arithmetic number, because the mean of its divisors is an integer number (11133360).

Almost surely, 2^72675865 is an apocalyptic number.

It is an amenable number.

72675865 is a deficient number, since it is larger than the sum of its proper divisors (16391015).

72675865 is a wasteful number, since it uses less digits than its factorization.

72675865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309311.

The product of its digits is 705600, while the sum is 46.

The square root of 72675865 is about 8525.0140762347. The cubic root of 72675865 is about 417.3144310191.

The spelling of 72675865 in words is "seventy-two million, six hundred seventy-five thousand, eight hundred sixty-five".