4000670671 has 4 divisors (see below), whose sum is σ = 4003152552. Its totient is φ = 3998188792.

The previous prime is 4000670659. The next prime is 4000670699. The reversal of 4000670671 is 1760760004.

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 4000670671 - 2¹⁵ = 4000637903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030670671) 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, 1238521 + ... + 1241746.

It is an arithmetic number, because the mean of its divisors is an integer number (1000788138).

Almost surely, 2^4000670671 is an apocalyptic number.

4000670671 is a deficient number, since it is larger than the sum of its proper divisors (2481881).

4000670671 is a wasteful number, since it uses less digits than its factorization.

4000670671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481880.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 4000670671 is about 63250.8551009391. The cubic root of 4000670671 is about 1587.4897656645.

The spelling of 4000670671 in words is "four billion, six hundred seventy thousand, six hundred seventy-one".