68774782 has 4 divisors (see below), whose sum is σ = 103162176. Its totient is φ = 34387390.

The previous prime is 68774777. The next prime is 68774791. The reversal of 68774782 is 28747786.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28747786 = 2 ⋅14373893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17193694 + ... + 17193697.

It is an arithmetic number, because the mean of its divisors is an integer number (25790544).

Almost surely, 2^68774782 is an apocalyptic number.

68774782 is a deficient number, since it is larger than the sum of its proper divisors (34387394).

68774782 is a wasteful number, since it uses less digits than its factorization.

68774782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34387393.

The product of its digits is 1053696, while the sum is 49.

The square root of 68774782 is about 8293.0562520702. The cubic root of 68774782 is about 409.7098522228.

The spelling of 68774782 in words is "sixty-eight million, seven hundred seventy-four thousand, seven hundred eighty-two".