68774578 has 8 divisors (see below), whose sum is σ = 103206060. Its totient is φ = 34372560.

The previous prime is 68774557. The next prime is 68774579. The reversal of 68774578 is 87547786.

It can be written as a sum of positive squares in 2 ways, for example, as 68773849 + 729 = 8293^2 + 27^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68774579) 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, 93 + ... + 11728.

Almost surely, 2^68774578 is an apocalyptic number.

68774578 is a deficient number, since it is larger than the sum of its proper divisors (34431482).

68774578 is a wasteful number, since it uses less digits than its factorization.

68774578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732.

The product of its digits is 2634240, while the sum is 52.

The square root of 68774578 is about 8293.0439526147. The cubic root of 68774578 is about 409.7094471282.

The spelling of 68774578 in words is "sixty-eight million, seven hundred seventy-four thousand, five hundred seventy-eight".