68594481 has 6 divisors (see below), whose sum is σ = 99080930. Its totient is φ = 45729648.

The previous prime is 68594459. The next prime is 68594497. The reversal of 68594481 is 18449586.

68594481 is a `hidden beast` number, since 6 + 85 + 94 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54464400 + 14130081 = 7380^2 + 3759^2 .

It is not a de Polignac number, because 68594481 - 2⁹ = 68593969 is a prime.

It is a super-2 number, since 2×68594481² = 9410405647318722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68592481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3810796 + ... + 3810813.

Almost surely, 2^68594481 is an apocalyptic number.

It is an amenable number.

68594481 is a deficient number, since it is larger than the sum of its proper divisors (30486449).

68594481 is a wasteful number, since it uses less digits than its factorization.

68594481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621615 (or 7621612 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 68594481 is about 8282.1785177573. The cubic root of 68594481 is about 409.3515050595.

The spelling of 68594481 in words is "sixty-eight million, five hundred ninety-four thousand, four hundred eighty-one".