68040310473 has 40 divisors (see below), whose sum is σ = 102696893376. Its totient is φ = 44890653600.

The previous prime is 68040310469. The next prime is 68040310493. The reversal of 68040310473 is 37401304086.

68040310473 is a `hidden beast` number, since 6 + 80 + 403 + 104 + 73 = 666.

It is not a de Polignac number, because 68040310473 - 2² = 68040310469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68040310453) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3949308 + ... + 3966498.

Almost surely, 2^68040310473 is an apocalyptic number.

It is an amenable number.

68040310473 is a deficient number, since it is larger than the sum of its proper divisors (34656582903).

68040310473 is a wasteful number, since it uses less digits than its factorization.

68040310473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707 (or 17698 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 68040310473 in words is "sixty-eight billion, forty million, three hundred ten thousand, four hundred seventy-three".