72068895 has 24 divisors (see below), whose sum is σ = 125116992. Its totient is φ = 38376000.

The previous prime is 72068869. The next prime is 72068897. The reversal of 72068895 is 59886027.

It is not a de Polignac number, because 72068895 - 2⁸ = 72068639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 72068895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72068897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54745 + ... + 56045.

It is an arithmetic number, because the mean of its divisors is an integer number (5213208).

Almost surely, 2^72068895 is an apocalyptic number.

72068895 is a deficient number, since it is larger than the sum of its proper divisors (53048097).

72068895 is a wasteful number, since it uses less digits than its factorization.

72068895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 72068895 is about 8489.3400803596. The cubic root of 72068895 is about 416.1494143235.

The spelling of 72068895 in words is "seventy-two million, sixty-eight thousand, eight hundred ninety-five".