7962700645 has 8 divisors (see below), whose sum is σ = 9555784056. Its totient is φ = 6369798336.

The previous prime is 7962700637. The next prime is 7962700777. The reversal of 7962700645 is 5460072697.

It can be written as a sum of positive squares in 4 ways, for example, as 325513764 + 7637186881 = 18042^2 + 87391^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7962700645 - 2³ = 7962700637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7962700595 and 7962700604.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86139 + ... + 152791.

It is an arithmetic number, because the mean of its divisors is an integer number (1194473007).

Almost surely, 2^7962700645 is an apocalyptic number.

It is an amenable number.

7962700645 is a deficient number, since it is larger than the sum of its proper divisors (1593083411).

7962700645 is a wasteful number, since it uses less digits than its factorization.

7962700645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90551.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 7962700645 is about 89233.9657585608. The cubic root of 7962700645 is about 1996.8868771640.

The spelling of 7962700645 in words is "seven billion, nine hundred sixty-two million, seven hundred thousand, six hundred forty-five".