68764445 has 8 divisors (see below), whose sum is σ = 83749344. Its totient is φ = 54190224.

The previous prime is 68764433. The next prime is 68764447. The reversal of 68764445 is 54446786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68764445 - 2¹⁰ = 68763421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68764396 and 68764405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68764447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102299 + ... + 102968.

It is an arithmetic number, because the mean of its divisors is an integer number (10468668).

Almost surely, 2^68764445 is an apocalyptic number.

It is an amenable number.

68764445 is a deficient number, since it is larger than the sum of its proper divisors (14984899).

68764445 is a wasteful number, since it uses less digits than its factorization.

68764445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205339.

The product of its digits is 645120, while the sum is 44.

The square root of 68764445 is about 8292.4329964131. The cubic root of 68764445 is about 409.6893244324.

The spelling of 68764445 in words is "sixty-eight million, seven hundred sixty-four thousand, four hundred forty-five".