67630146 has 32 divisors (see below), whose sum is σ = 141402240. Its totient is φ = 21536256.

The previous prime is 67630111. The next prime is 67630159. The reversal of 67630146 is 64103676.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 14875 + ... + 18881.

It is an arithmetic number, because the mean of its divisors is an integer number (4418820).

Almost surely, 2^67630146 is an apocalyptic number.

67630146 is an abundant number, since it is smaller than the sum of its proper divisors (73772094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67630146 is a wasteful number, since it uses less digits than its factorization.

67630146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 67630146 is about 8223.7549817586. The cubic root of 67630146 is about 407.4241564095.

It can be divided in two parts, 67630 and 146, that added together give a palindrome (67776).

The spelling of 67630146 in words is "sixty-seven million, six hundred thirty thousand, one hundred forty-six".