68690434 has 8 divisors (see below), whose sum is σ = 108458640. Its totient is φ = 32537556.

The previous prime is 68690431. The next prime is 68690449. The reversal of 68690434 is 43409686.

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

It is not an unprimeable number, because it can be changed into a prime (68690431) 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, 903784 + ... + 903859.

It is an arithmetic number, because the mean of its divisors is an integer number (13557330).

Almost surely, 2^68690434 is an apocalyptic number.

68690434 is a deficient number, since it is larger than the sum of its proper divisors (39768206).

68690434 is a wasteful number, since it uses less digits than its factorization.

68690434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807664.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 68690434 is about 8287.9692325684. The cubic root of 68690434 is about 409.5422891371.

The spelling of 68690434 in words is "sixty-eight million, six hundred ninety thousand, four hundred thirty-four".