68648467 has 4 divisors (see below), whose sum is σ = 68709160. Its totient is φ = 68587776.

The previous prime is 68648449. The next prime is 68648471. The reversal of 68648467 is 76484686.

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 68648467 - 2¹⁹ = 68124179 is a prime.

It is a super-2 number, since 2×68648467² = 9425224042900178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68648467.

It is not an unprimeable number, because it can be changed into a prime (68648417) 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, 28617 + ... + 30922.

It is an arithmetic number, because the mean of its divisors is an integer number (17177290).

Almost surely, 2^68648467 is an apocalyptic number.

68648467 is a deficient number, since it is larger than the sum of its proper divisors (60693).

68648467 is a wasteful number, since it uses less digits than its factorization.

68648467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60692.

The product of its digits is 1548288, while the sum is 49.

The square root of 68648467 is about 8285.4370433913. The cubic root of 68648467 is about 409.4588677072.

The spelling of 68648467 in words is "sixty-eight million, six hundred forty-eight thousand, four hundred sixty-seven".