68706473 has 4 divisors (see below), whose sum is σ = 74952528. Its totient is φ = 62460420.

The previous prime is 68706461. The next prime is 68706493. The reversal of 68706473 is 37460786.

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 not a de Polignac number, because 68706473 - 2⁶ = 68706409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68706473.

It is not an unprimeable number, because it can be changed into a prime (68706403) 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, 3123011 + ... + 3123032.

It is an arithmetic number, because the mean of its divisors is an integer number (18738132).

Almost surely, 2^68706473 is an apocalyptic number.

It is an amenable number.

68706473 is a deficient number, since it is larger than the sum of its proper divisors (6246055).

68706473 is a wasteful number, since it uses less digits than its factorization.

68706473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246054.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 68706473 is about 8288.9367834482. The cubic root of 68706473 is about 409.5741622680.

The spelling of 68706473 in words is "sixty-eight million, seven hundred six thousand, four hundred seventy-three".