68473678 has 48 divisors (see below), whose sum is σ = 130654944. Its totient is φ = 26671680.

The previous prime is 68473667. The next prime is 68473693. The reversal of 68473678 is 87637486.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90076 + ... + 90832.

It is an arithmetic number, because the mean of its divisors is an integer number (2721978).

Almost surely, 2^68473678 is an apocalyptic number.

68473678 is a deficient number, since it is larger than the sum of its proper divisors (62181266).

68473678 is a wasteful number, since it uses less digits than its factorization.

68473678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 850 counting only the distinct ones).

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

The square root of 68473678 is about 8274.8823556592. The cubic root of 68473678 is about 409.1110583686. Note that the first 3 decimals are identical.

The spelling of 68473678 in words is "sixty-eight million, four hundred seventy-three thousand, six hundred seventy-eight".