4066667407 has 4 divisors (see below), whose sum is σ = 4436364456. Its totient is φ = 3696970360.

The previous prime is 4066667323. The next prime is 4066667441. The reversal of 4066667407 is 7047666604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4066667407 - 2¹⁵ = 4066634639 is a prime.

It is a super-2 number, since 2×4066667407² = 33075567598312207298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066661407) 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, 184848508 + ... + 184848529.

It is an arithmetic number, because the mean of its divisors is an integer number (1109091114).

Almost surely, 2^4066667407 is an apocalyptic number.

4066667407 is a deficient number, since it is larger than the sum of its proper divisors (369697049).

4066667407 is a wasteful number, since it uses less digits than its factorization.

4066667407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369697048.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The square root of 4066667407 is about 63770.4273703729. The cubic root of 4066667407 is about 1596.1714983694.

The spelling of 4066667407 in words is "four billion, sixty-six million, six hundred sixty-seven thousand, four hundred seven".