68465387 has 4 divisors (see below), whose sum is σ = 68490816. Its totient is φ = 68439960.

The previous prime is 68465381. The next prime is 68465389. The reversal of 68465387 is 78356486.

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 68465387 - 2¹² = 68461291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68465381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8123 + ... + 14244.

It is an arithmetic number, because the mean of its divisors is an integer number (17122704).

Almost surely, 2^68465387 is an apocalyptic number.

68465387 is a deficient number, since it is larger than the sum of its proper divisors (25429).

68465387 is a wasteful number, since it uses less digits than its factorization.

68465387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25428.

The product of its digits is 967680, while the sum is 47.

The square root of 68465387 is about 8274.3813666038. The cubic root of 68465387 is about 409.0945455674.

The spelling of 68465387 in words is "sixty-eight million, four hundred sixty-five thousand, three hundred eighty-seven".