68364747 has 12 divisors (see below), whose sum is σ = 107726424. Its totient is φ = 41433120.

The previous prime is 68364733. The next prime is 68364749. The reversal of 68364747 is 74746386.

It is not a de Polignac number, because 68364747 - 2⁶ = 68364683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68364749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345178 + ... + 345375.

It is an arithmetic number, because the mean of its divisors is an integer number (8977202).

Almost surely, 2^68364747 is an apocalyptic number.

68364747 is a deficient number, since it is larger than the sum of its proper divisors (39361677).

68364747 is a wasteful number, since it uses less digits than its factorization.

68364747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690570 (or 690567 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 68364747 is about 8268.2977087185. The cubic root of 68364747 is about 408.8939991479.

The spelling of 68364747 in words is "sixty-eight million, three hundred sixty-four thousand, seven hundred forty-seven".