67662406 has 8 divisors (see below), whose sum is σ = 115992720. Its totient is φ = 28998168.

The previous prime is 67662391. The next prime is 67662407. The reversal of 67662406 is 60426676.

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 (67662407) 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, 2416501 + ... + 2416528.

It is an arithmetic number, because the mean of its divisors is an integer number (14499090).

Almost surely, 2^67662406 is an apocalyptic number.

67662406 is a deficient number, since it is larger than the sum of its proper divisors (48330314).

67662406 is a wasteful number, since it uses less digits than its factorization.

67662406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833038.

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

The square root of 67662406 is about 8225.7161390362. The cubic root of 67662406 is about 407.4889273968.

The spelling of 67662406 in words is "sixty-seven million, six hundred sixty-two thousand, four hundred six".