68874434 has 4 divisors (see below), whose sum is σ = 103311654. Its totient is φ = 34437216.

The previous prime is 68874431. The next prime is 68874437. The reversal of 68874434 is 43447886.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (68874431) and next prime (68874437).

It can be written as a sum of positive squares in only one way, i.e., 68840209 + 34225 = 8297^2 + 185^2 .

It is not an unprimeable number, because it can be changed into a prime (68874431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17218607 + ... + 17218610.

Almost surely, 2^68874434 is an apocalyptic number.

68874434 is a deficient number, since it is larger than the sum of its proper divisors (34437220).

68874434 is a wasteful number, since it uses less digits than its factorization.

68874434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34437219.

The product of its digits is 516096, while the sum is 44.

The square root of 68874434 is about 8299.0622361807. The cubic root of 68874434 is about 409.9076413023.

The spelling of 68874434 in words is "sixty-eight million, eight hundred seventy-four thousand, four hundred thirty-four".