7626264921 has 48 divisors (see below), whose sum is σ = 12288706560. Its totient is φ = 4518689760.

The previous prime is 7626264913. The next prime is 7626264931. The reversal of 7626264921 is 1294626267.

It is not a de Polignac number, because 7626264921 - 2³ = 7626264913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7626264911) 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 47 ways as a sum of consecutive naturals, for example, 800830 + ... + 810296.

It is an arithmetic number, because the mean of its divisors is an integer number (256014720).

Almost surely, 2^7626264921 is an apocalyptic number.

It is an amenable number.

7626264921 is a deficient number, since it is larger than the sum of its proper divisors (4662441639).

7626264921 is a wasteful number, since it uses less digits than its factorization.

7626264921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666 (or 9663 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 7626264921 is about 87328.4885990820. The cubic root of 7626264921 is about 1968.3574239584.

The spelling of 7626264921 in words is "seven billion, six hundred twenty-six million, two hundred sixty-four thousand, nine hundred twenty-one".