4000973738 has 8 divisors (see below), whose sum is σ = 6001881732. Its totient is φ = 2000346496.

The previous prime is 4000973737. The next prime is 4000973741. The reversal of 4000973738 is 8373790004.

It can be written as a sum of positive squares in 2 ways, for example, as 3987038449 + 13935289 = 63143^2 + 3733^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4000973695 and 4000973704.

It is not an unprimeable number, because it can be changed into a prime (4000973731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29945 + ... + 94332.

Almost surely, 2^4000973738 is an apocalyptic number.

4000973738 is a deficient number, since it is larger than the sum of its proper divisors (2000907994).

4000973738 is a wasteful number, since it uses less digits than its factorization.

4000973738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140376.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 4000973738 is about 63253.2508097410. The cubic root of 4000973738 is about 1587.5298509112.

The spelling of 4000973738 in words is "four billion, nine hundred seventy-three thousand, seven hundred thirty-eight".