68269745 has 8 divisors (see below), whose sum is σ = 82689984. Its totient is φ = 54104944.

The previous prime is 68269693. The next prime is 68269771. The reversal of 68269745 is 54796286.

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 68269745 - 2¹⁰ = 68268721 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 68269745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63269 + ... + 64338.

It is an arithmetic number, because the mean of its divisors is an integer number (10336248).

Almost surely, 2^68269745 is an apocalyptic number.

It is an amenable number.

68269745 is a deficient number, since it is larger than the sum of its proper divisors (14420239).

68269745 is a wasteful number, since it uses less digits than its factorization.

68269745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127719.

The product of its digits is 725760, while the sum is 47.

The square root of 68269745 is about 8262.5507562738. The cubic root of 68269745 is about 408.7045069651.

The spelling of 68269745 in words is "sixty-eight million, two hundred sixty-nine thousand, seven hundred forty-five".