68434646 has 16 divisors (see below), whose sum is σ = 117662976. Its totient is φ = 29242536.

The previous prime is 68434643. The next prime is 68434649. The reversal of 68434646 is 64643486.

It is an interprime number because it is at equal distance from previous prime (68434643) and next prime (68434649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68434643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186 + ... + 11901.

It is an arithmetic number, because the mean of its divisors is an integer number (7353936).

Almost surely, 2^68434646 is an apocalyptic number.

68434646 is a deficient number, since it is larger than the sum of its proper divisors (49228330).

68434646 is a wasteful number, since it uses less digits than its factorization.

68434646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443.

The product of its digits is 331776, while the sum is 41.

The square root of 68434646 is about 8272.5235569323. The cubic root of 68434646 is about 409.0333085022.

The spelling of 68434646 in words is "sixty-eight million, four hundred thirty-four thousand, six hundred forty-six".