1001975716 has 135 divisors (see below), whose sum is σ = 2293371969. Its totient is φ = 382886784.

The previous prime is 1001975677. The next prime is 1001975719. The reversal of 1001975716 is 6175791001.

The square root of 1001975716 is 31654.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 780084900 + 221890816 = 27930^2 + 14896^2 .

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1001975719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 52735555 + ... + 52735573.

Almost surely, 2^1001975716 is an apocalyptic number.

1001975716 is the 31654-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001975716

1001975716 is an abundant number, since it is smaller than the sum of its proper divisors (1291396253).

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

1001975716 is an equidigital number, since it uses as much as digits as its factorization.

1001975716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 37.

The cubic root of 1001975716 is about 1000.6581387584.

The spelling of 1001975716 in words is "one billion, one million, nine hundred seventy-five thousand, seven hundred sixteen".