68678746 has 8 divisors (see below), whose sum is σ = 103650624. Its totient is φ = 34128540.

The previous prime is 68678737. The next prime is 68678761. The reversal of 68678746 is 64787686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 68678693 and 68678702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105010 + ... + 105661.

It is an arithmetic number, because the mean of its divisors is an integer number (12956328).

Almost surely, 2^68678746 is an apocalyptic number.

68678746 is a deficient number, since it is larger than the sum of its proper divisors (34971878).

68678746 is a wasteful number, since it uses less digits than its factorization.

68678746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210836.

The product of its digits is 2709504, while the sum is 52.

The square root of 68678746 is about 8287.2640841233. The cubic root of 68678746 is about 409.5190593047.

The spelling of 68678746 in words is "sixty-eight million, six hundred seventy-eight thousand, seven hundred forty-six".