68467847 has 6 divisors (see below), whose sum is σ = 79646328. Its totient is φ = 58686684.

The previous prime is 68467843. The next prime is 68467853. The reversal of 68467847 is 74876486.

It is not a de Polignac number, because 68467847 - 2² = 68467843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68467795 and 68467804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68467843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698603 + ... + 698700.

It is an arithmetic number, because the mean of its divisors is an integer number (13274388).

Almost surely, 2^68467847 is an apocalyptic number.

68467847 is a deficient number, since it is larger than the sum of its proper divisors (11178481).

68467847 is a wasteful number, since it uses less digits than its factorization.

68467847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397317 (or 1397310 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 68467847 is about 8274.5300168650. The cubic root of 68467847 is about 409.0994451747.

The spelling of 68467847 in words is "sixty-eight million, four hundred sixty-seven thousand, eight hundred forty-seven".