68421862 has 8 divisors (see below), whose sum is σ = 102879000. Its totient is φ = 34128864.

The previous prime is 68421853. The next prime is 68421863. The reversal of 68421862 is 26812486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68421863) 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, 39987 + ... + 41662.

It is an arithmetic number, because the mean of its divisors is an integer number (12859875).

Almost surely, 2^68421862 is an apocalyptic number.

68421862 is a deficient number, since it is larger than the sum of its proper divisors (34457138).

68421862 is a wasteful number, since it uses less digits than its factorization.

68421862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82070.

The product of its digits is 36864, while the sum is 37.

The square root of 68421862 is about 8271.7508424759. The cubic root of 68421862 is about 409.0078369622.

The spelling of 68421862 in words is "sixty-eight million, four hundred twenty-one thousand, eight hundred sixty-two".