67828634 has 8 divisors (see below), whose sum is σ = 101970900. Its totient is φ = 33838336.

The previous prime is 67828627. The next prime is 67828639. The reversal of 67828634 is 43682876.

It can be written as a sum of positive squares in 2 ways, for example, as 66471409 + 1357225 = 8153^2 + 1165^2 .

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 (67828639) 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, 36869 + ... + 38664.

Almost surely, 2^67828634 is an apocalyptic number.

67828634 is a deficient number, since it is larger than the sum of its proper divisors (34142266).

67828634 is a wasteful number, since it uses less digits than its factorization.

67828634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75984.

The product of its digits is 387072, while the sum is 44.

The square root of 67828634 is about 8235.8141066928. The cubic root of 67828634 is about 407.8223507326.

The spelling of 67828634 in words is "sixty-seven million, eight hundred twenty-eight thousand, six hundred thirty-four".