72068594 has 16 divisors (see below), whose sum is σ = 116581248. Its totient is φ = 33215952.

The previous prime is 72068587. The next prime is 72068599. The reversal of 72068594 is 49586027.

It is a super-2 number, since 2×72068594² = 10387764482273672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72068599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23159 + ... + 26085.

It is an arithmetic number, because the mean of its divisors is an integer number (7286328).

Almost surely, 2^72068594 is an apocalyptic number.

72068594 is a deficient number, since it is larger than the sum of its proper divisors (44512654).

72068594 is a wasteful number, since it uses less digits than its factorization.

72068594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 72068594 is about 8489.3223522258. The cubic root of 72068594 is about 416.1488349652.

The spelling of 72068594 in words is "seventy-two million, sixty-eight thousand, five hundred ninety-four".