3996754537672 has 64 divisors (see below), whose sum is σ = 8383648210560. Its totient is φ = 1774316812800.

The previous prime is 3996754537621. The next prime is 3996754537673. The reversal of 3996754537672 is 2767354576993.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3996754537595 and 3996754537604.

It is not an unprimeable number, because it can be changed into a prime (3996754537673) 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 15 ways as a sum of consecutive naturals, for example, 6298138 + ... + 6903625.

It is an arithmetic number, because the mean of its divisors is an integer number (130994503290).

Almost surely, 2^{3996754537672} is an apocalyptic number.

It is an amenable number.

3996754537672 is an abundant number, since it is smaller than the sum of its proper divisors (4386893672888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3996754537672 is a wasteful number, since it uses less digits than its factorization.

3996754537672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13201894 (or 13201890 counting only the distinct ones).

The product of its digits is 1800338400, while the sum is 73.

The spelling of 3996754537672 in words is "three trillion, nine hundred ninety-six billion, seven hundred fifty-four million, five hundred thirty-seven thousand, six hundred seventy-two".