68577074 has 4 divisors (see below), whose sum is σ = 102865614. Its totient is φ = 34288536.

The previous prime is 68577037. The next prime is 68577077. The reversal of 68577074 is 47077586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47077586 = 2 ⋅23538793.

It can be written as a sum of positive squares in only one way, i.e., 41692849 + 26884225 = 6457^2 + 5185^2 .

It is not an unprimeable number, because it can be changed into a prime (68577077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17144267 + ... + 17144270.

Almost surely, 2^68577074 is an apocalyptic number.

68577074 is a deficient number, since it is larger than the sum of its proper divisors (34288540).

68577074 is a wasteful number, since it uses less digits than its factorization.

68577074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34288539.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 68577074 is about 8281.1275802272. The cubic root of 68577074 is about 409.3168755268.

It can be divided in two parts, 6857 and 7074, that added together give a palindrome (13931).

The spelling of 68577074 in words is "sixty-eight million, five hundred seventy-seven thousand, seventy-four".