68641419 has 32 divisors (see below), whose sum is σ = 114868224. Its totient is φ = 35419680.

The previous prime is 68641387. The next prime is 68641477. The reversal of 68641419 is 91414686.

It is not a de Polignac number, because 68641419 - 2⁵ = 68641387 is a prime.

It is a super-2 number, since 2×68641419² = 9423288804667122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68641619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36742 + ... + 38564.

It is an arithmetic number, because the mean of its divisors is an integer number (3589632).

Almost surely, 2^68641419 is an apocalyptic number.

68641419 is a deficient number, since it is larger than the sum of its proper divisors (46226805).

68641419 is a wasteful number, since it uses less digits than its factorization.

68641419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007.

The product of its digits is 41472, while the sum is 39.

The square root of 68641419 is about 8285.0117078976. The cubic root of 68641419 is about 409.4448544549. Note that the first 3 decimals are identical.

The spelling of 68641419 in words is "sixty-eight million, six hundred forty-one thousand, four hundred nineteen".