4640071 has 4 divisors (see below), whose sum is σ = 4645944. Its totient is φ = 4634200.

The previous prime is 4640057. The next prime is 4640081. The reversal of 4640071 is 1700464.

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 4640071 - 2¹⁵ = 4607303 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 (4640081) 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, 1525 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (1161486).

Almost surely, 2^4640071 is an apocalyptic number.

4640071 is a deficient number, since it is larger than the sum of its proper divisors (5873).

4640071 is an equidigital number, since it uses as much as digits as its factorization.

4640071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 4640071 is about 2154.0824032520. The cubic root of 4640071 is about 166.7918690338.

The spelling of 4640071 in words is "four million, six hundred forty thousand, seventy-one".