68474493 has 12 divisors (see below), whose sum is σ = 99181888. Its totient is φ = 45523080.

The previous prime is 68474491. The next prime is 68474501. The reversal of 68474493 is 39447486.

It is not a de Polignac number, because 68474493 - 2¹ = 68474491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68474491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7063 + ... + 13668.

Almost surely, 2^68474493 is an apocalyptic number.

It is an amenable number.

68474493 is a deficient number, since it is larger than the sum of its proper divisors (30707395).

68474493 is a wasteful number, since it uses less digits than its factorization.

68474493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21104 (or 21101 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 68474493 is about 8274.9316009258. The cubic root of 68474493 is about 409.1126814944.

The spelling of 68474493 in words is "sixty-eight million, four hundred seventy-four thousand, four hundred ninety-three".