68460647 has 4 divisors (see below), whose sum is σ = 68483496. Its totient is φ = 68437800.

The previous prime is 68460599. The next prime is 68460653. The reversal of 68460647 is 74606486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68460647 - 2⁸ = 68460391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68460947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6104 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (17120874).

Almost surely, 2^68460647 is an apocalyptic number.

68460647 is a deficient number, since it is larger than the sum of its proper divisors (22849).

68460647 is a wasteful number, since it uses less digits than its factorization.

68460647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22848.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 68460647 is about 8274.0949353993. The cubic root of 68460647 is about 409.0851045297.

The spelling of 68460647 in words is "sixty-eight million, four hundred sixty thousand, six hundred forty-seven".