68544497 has 16 divisors (see below), whose sum is σ = 80661504. Its totient is φ = 57024000.

The previous prime is 68544449. The next prime is 68544547. The reversal of 68544497 is 79444586.

It is a cyclic number.

It is not a de Polignac number, because 68544497 - 2⁶ = 68544433 is a prime.

Its product of digits (967680) is a multiple of the sum of its prime divisors (1280).

It is not an unprimeable number, because it can be changed into a prime (68544797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68672 + ... + 69662.

It is an arithmetic number, because the mean of its divisors is an integer number (5041344).

Almost surely, 2^68544497 is an apocalyptic number.

It is an amenable number.

68544497 is a deficient number, since it is larger than the sum of its proper divisors (12117007).

68544497 is a wasteful number, since it uses less digits than its factorization.

68544497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its digits is 967680, while the sum is 47.

The square root of 68544497 is about 8279.1604042922. The cubic root of 68544497 is about 409.2520510061.

The spelling of 68544497 in words is "sixty-eight million, five hundred forty-four thousand, four hundred ninety-seven".