67066426 has 8 divisors (see below), whose sum is σ = 114971040. Its totient is φ = 28742748.

The previous prime is 67066399. The next prime is 67066453. The reversal of 67066426 is 62466076.

It is an interprime number because it is at equal distance from previous prime (67066399) and next prime (67066453).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395216 + ... + 2395243.

It is an arithmetic number, because the mean of its divisors is an integer number (14371380).

Almost surely, 2^67066426 is an apocalyptic number.

67066426 is a deficient number, since it is larger than the sum of its proper divisors (47904614).

67066426 is a wasteful number, since it uses less digits than its factorization.

67066426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790468.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 67066426 is about 8189.4093804132. The cubic root of 67066426 is about 406.2889907823.

The spelling of 67066426 in words is "sixty-seven million, sixty-six thousand, four hundred twenty-six".