4394072667 has 16 divisors (see below), whose sum is σ = 5999616000. Its totient is φ = 2859789504.

The previous prime is 4394072659. The next prime is 4394072681. The reversal of 4394072667 is 7662704934.

It is not a de Polignac number, because 4394072667 - 2³ = 4394072659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4394072647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83067 + ... + 125252.

It is an arithmetic number, because the mean of its divisors is an integer number (374976000).

Almost surely, 2^4394072667 is an apocalyptic number.

4394072667 is a deficient number, since it is larger than the sum of its proper divisors (1605543333).

4394072667 is a wasteful number, since it uses less digits than its factorization.

4394072667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208490.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The square root of 4394072667 is about 66287.8017964090. The cubic root of 4394072667 is about 1637.9063938750.

The spelling of 4394072667 in words is "four billion, three hundred ninety-four million, seventy-two thousand, six hundred sixty-seven".