68077154 has 8 divisors (see below), whose sum is σ = 102221148. Its totient is φ = 34003440.

The previous prime is 68077153. The next prime is 68077157. The reversal of 68077154 is 45177086.

It can be written as a sum of positive squares in 2 ways, for example, as 65237929 + 2839225 = 8077^2 + 1685^2 .

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 (68077153) 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 3 ways as a sum of consecutive naturals, for example, 15077 + ... + 19064.

Almost surely, 2^68077154 is an apocalyptic number.

68077154 is a deficient number, since it is larger than the sum of its proper divisors (34143994).

68077154 is a wasteful number, since it uses less digits than its factorization.

68077154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35140.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 68077154 is about 8250.8880734137. Note that the first 3 decimals coincide. The cubic root of 68077154 is about 408.3198224416.

The spelling of 68077154 in words is "sixty-eight million, seventy-seven thousand, one hundred fifty-four".