68434376 has 8 divisors (see below), whose sum is σ = 128314470. Its totient is φ = 34217184.

The previous prime is 68434369. The next prime is 68434417. The reversal of 68434376 is 67343486.

It can be written as a sum of positive squares in only one way, i.e., 66031876 + 2402500 = 8126^2 + 1550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277141 + ... + 4277156.

Almost surely, 2^68434376 is an apocalyptic number.

It is an amenable number.

68434376 is a deficient number, since it is larger than the sum of its proper divisors (59880094).

68434376 is a wasteful number, since it uses less digits than its factorization.

68434376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554303 (or 8554299 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 68434376 is about 8272.5072378330. The cubic root of 68434376 is about 409.0327705722.

The spelling of 68434376 in words is "sixty-eight million, four hundred thirty-four thousand, three hundred seventy-six".