7620940585 has 8 divisors (see below), whose sum is σ = 9177675336. Its totient is φ = 6075054720.

The previous prime is 7620940577. The next prime is 7620940597. The reversal of 7620940585 is 5850490267.

It can be written as a sum of positive squares in 4 ways, for example, as 75064896 + 7545875689 = 8664^2 + 86867^2 .

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

It is not a de Polignac number, because 7620940585 - 2³ = 7620940577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2710674 + ... + 2713483.

It is an arithmetic number, because the mean of its divisors is an integer number (1147209417).

Almost surely, 2^7620940585 is an apocalyptic number.

It is an amenable number.

7620940585 is a deficient number, since it is larger than the sum of its proper divisors (1556734751).

7620940585 is a wasteful number, since it uses less digits than its factorization.

7620940585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424443.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 7620940585 is about 87297.9987456757. The cubic root of 7620940585 is about 1967.8992426472.

The spelling of 7620940585 in words is "seven billion, six hundred twenty million, nine hundred forty thousand, five hundred eighty-five".