72318695 has 4 divisors (see below), whose sum is σ = 86782440. Its totient is φ = 57854952.

The previous prime is 72318679. The next prime is 72318707. The reversal of 72318695 is 59681327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59681327 = 4349 ⋅13723.

It is a cyclic number.

It is not a de Polignac number, because 72318695 - 2⁴ = 72318679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231865 + ... + 7231874.

It is an arithmetic number, because the mean of its divisors is an integer number (21695610).

Almost surely, 2^72318695 is an apocalyptic number.

72318695 is a deficient number, since it is larger than the sum of its proper divisors (14463745).

72318695 is a wasteful number, since it uses less digits than its factorization.

72318695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463744.

The product of its digits is 90720, while the sum is 41.

The square root of 72318695 is about 8504.0399222958. The cubic root of 72318695 is about 416.6296688927.

The spelling of 72318695 in words is "seventy-two million, three hundred eighteen thousand, six hundred ninety-five".