68710947 has 16 divisors (see below), whose sum is σ = 96983040. Its totient is φ = 43196832.

The previous prime is 68710933. The next prime is 68710997. The reversal of 68710947 is 74901786.

It is not a de Polignac number, because 68710947 - 2⁴ = 68710931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68710899 and 68710908.

It is not an unprimeable number, because it can be changed into a prime (68710907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5443 + ... + 12924.

It is an arithmetic number, because the mean of its divisors is an integer number (6061440).

Almost surely, 2^68710947 is an apocalyptic number.

68710947 is a deficient number, since it is larger than the sum of its proper divisors (28272093).

68710947 is a wasteful number, since it uses less digits than its factorization.

68710947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 68710947 is about 8289.2066568520. The cubic root of 68710947 is about 409.5830522360.

The spelling of 68710947 in words is "sixty-eight million, seven hundred ten thousand, nine hundred forty-seven".