68673473 has 4 divisors (see below), whose sum is σ = 74916528. Its totient is φ = 62430420.

The previous prime is 68673461. The next prime is 68673497. The reversal of 68673473 is 37437686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68673473 - 2¹⁰ = 68672449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68673433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3121511 + ... + 3121532.

It is an arithmetic number, because the mean of its divisors is an integer number (18729132).

Almost surely, 2^68673473 is an apocalyptic number.

It is an amenable number.

68673473 is a deficient number, since it is larger than the sum of its proper divisors (6243055).

68673473 is a wasteful number, since it uses less digits than its factorization.

68673473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243054.

The product of its digits is 508032, while the sum is 44.

The square root of 68673473 is about 8286.9459392469. The cubic root of 68673473 is about 409.5085783850.

The spelling of 68673473 in words is "sixty-eight million, six hundred seventy-three thousand, four hundred seventy-three".