68674738 has 32 divisors (see below), whose sum is σ = 116225280. Its totient is φ = 30159360.

The previous prime is 68674729. The next prime is 68674777. The reversal of 68674738 is 83747686.

It is a junction number, because it is equal to n+sod(n) for n = 68674691 and 68674700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194370 + ... + 194722.

It is an arithmetic number, because the mean of its divisors is an integer number (3632040).

It is a vampire number, since it can be written as 7766 ⋅ 8843 (with its own digits).

Almost surely, 2^68674738 is an apocalyptic number.

68674738 is a deficient number, since it is larger than the sum of its proper divisors (47550542).

68674738 is a wasteful number, since it uses less digits than its factorization.

68674738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 1354752, while the sum is 49.

The square root of 68674738 is about 8287.0222637567. The cubic root of 68674738 is about 409.5110928211.

The spelling of 68674738 in words is "sixty-eight million, six hundred seventy-four thousand, seven hundred thirty-eight".