68564741 has 16 divisors (see below), whose sum is σ = 79685760. Its totient is φ = 57784320.

The previous prime is 68564719. The next prime is 68564753. The reversal of 68564741 is 14746586.

It is a cyclic number.

It is not a de Polignac number, because 68564741 - 2¹⁴ = 68548357 is a prime.

It is a super-2 number, since 2×68564741² = 9402247416794162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68564701) 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 15 ways as a sum of consecutive naturals, for example, 163430 + ... + 163848.

It is an arithmetic number, because the mean of its divisors is an integer number (4980360).

Almost surely, 2^68564741 is an apocalyptic number.

It is an amenable number.

68564741 is a deficient number, since it is larger than the sum of its proper divisors (11121019).

68564741 is a wasteful number, since it uses less digits than its factorization.

68564741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its digits is 161280, while the sum is 41.

The square root of 68564741 is about 8280.3829017745. The cubic root of 68564741 is about 409.2923366764.

The spelling of 68564741 in words is "sixty-eight million, five hundred sixty-four thousand, seven hundred forty-one".