66462406 has 8 divisors (see below), whose sum is σ = 99797184. Its totient is φ = 33196680.

The previous prime is 66462377. The next prime is 66462421. The reversal of 66462406 is 60426466.

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

It is a super-2 number, since 2×66462406² = 8834502822617672, which contains 22 as substring.

It is a congruent number.

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, 14785 + ... + 18748.

It is an arithmetic number, because the mean of its divisors is an integer number (12474648).

Almost surely, 2^66462406 is an apocalyptic number.

66462406 is a deficient number, since it is larger than the sum of its proper divisors (33334778).

66462406 is a wasteful number, since it uses less digits than its factorization.

66462406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34526.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 66462406 is about 8152.4478532524. The cubic root of 66462406 is about 405.0655911651.

The spelling of 66462406 in words is "sixty-six million, four hundred sixty-two thousand, four hundred six".