68794577 has 4 divisors (see below), whose sum is σ = 69095220. Its totient is φ = 68493936.

The previous prime is 68794559. The next prime is 68794589. The reversal of 68794577 is 77549786.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54626881 + 14167696 = 7391^2 + 3764^2 .

It is a cyclic number.

It is not a de Polignac number, because 68794577 - 2⁸ = 68794321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68794547) 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, 149978 + ... + 150435.

It is an arithmetic number, because the mean of its divisors is an integer number (17273805).

Almost surely, 2^68794577 is an apocalyptic number.

It is an amenable number.

68794577 is a deficient number, since it is larger than the sum of its proper divisors (300643).

68794577 is a wasteful number, since it uses less digits than its factorization.

68794577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300642.

The product of its digits is 2963520, while the sum is 53.

The square root of 68794577 is about 8294.2496345360. The cubic root of 68794577 is about 409.7491564964.

The spelling of 68794577 in words is "sixty-eight million, seven hundred ninety-four thousand, five hundred seventy-seven".