68147774 has 4 divisors (see below), whose sum is σ = 102221664. Its totient is φ = 34073886.

The previous prime is 68147759. The next prime is 68147789. The reversal of 68147774 is 47774186.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (68147759) and next prime (68147789).

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, 17036942 + ... + 17036945.

It is an arithmetic number, because the mean of its divisors is an integer number (25555416).

Almost surely, 2^68147774 is an apocalyptic number.

68147774 is a deficient number, since it is larger than the sum of its proper divisors (34073890).

68147774 is a wasteful number, since it uses less digits than its factorization.

68147774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34073889.

The product of its digits is 263424, while the sum is 44.

The square root of 68147774 is about 8255.1665034692. The cubic root of 68147774 is about 408.4609641660.

It can be divided in two parts, 68147 and 774, that added together give a cube (68921 = 41³).

The spelling of 68147774 in words is "sixty-eight million, one hundred forty-seven thousand, seven hundred seventy-four".