67145630 has 8 divisors (see below), whose sum is σ = 120862152. Its totient is φ = 26858248.

The previous prime is 67145629. The next prime is 67145633. The reversal of 67145630 is 3654176.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67145633) 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 in 3 ways as a sum of consecutive naturals, for example, 3357272 + ... + 3357291.

It is an arithmetic number, because the mean of its divisors is an integer number (15107769).

Almost surely, 2^67145630 is an apocalyptic number.

67145630 is a deficient number, since it is larger than the sum of its proper divisors (53716522).

67145630 is a wasteful number, since it uses less digits than its factorization.

67145630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714570.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 67145630 is about 8194.2437112890. The cubic root of 67145630 is about 406.4488673684.

The spelling of 67145630 in words is "sixty-seven million, one hundred forty-five thousand, six hundred thirty".