68946434 has 4 divisors (see below), whose sum is σ = 103419654. Its totient is φ = 34473216.

The previous prime is 68946419. The next prime is 68946463. The reversal of 68946434 is 43464986.

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

It can be written as a sum of positive squares in only one way, i.e., 67190809 + 1755625 = 8197^2 + 1325^2 .

It is a super-2 number, since 2×68946434² = 9507221522632712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17236607 + ... + 17236610.

Almost surely, 2^68946434 is an apocalyptic number.

68946434 is a deficient number, since it is larger than the sum of its proper divisors (34473220).

68946434 is a wasteful number, since it uses less digits than its factorization.

68946434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34473219.

The product of its digits is 497664, while the sum is 44.

The square root of 68946434 is about 8303.3989426018. The cubic root of 68946434 is about 410.0504280627.

The spelling of 68946434 in words is "sixty-eight million, nine hundred forty-six thousand, four hundred thirty-four".