7452643876 has 12 divisors (see below), whose sum is σ = 13220786572. Its totient is φ = 3675276288.

The previous prime is 7452643871. The next prime is 7452643879. The reversal of 7452643876 is 6783462547.

It can be written as a sum of positive squares in 2 ways, for example, as 6527024100 + 925619776 = 80790^2 + 30424^2 .

It is not an unprimeable number, because it can be changed into a prime (7452643871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12761085 + ... + 12761668.

Almost surely, 2^7452643876 is an apocalyptic number.

It is an amenable number.

7452643876 is a deficient number, since it is larger than the sum of its proper divisors (5768142696).

7452643876 is a wasteful number, since it uses less digits than its factorization.

7452643876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25522830 (or 25522828 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 52.

The square root of 7452643876 is about 86328.6967120436. The cubic root of 7452643876 is about 1953.3052754366.

The spelling of 7452643876 in words is "seven billion, four hundred fifty-two million, six hundred forty-three thousand, eight hundred seventy-six".