6672672403 has 2 divisors, whose sum is σ = 6672672404. Its totient is φ = 6672672402.

The previous prime is 6672672373. The next prime is 6672672473. The reversal of 6672672403 is 3042762766.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6672672403 - 2⁹ = 6672671891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6672672403.

It is not a weakly prime, because it can be changed into another prime (6672672473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336336201 + 3336336202.

It is an arithmetic number, because the mean of its divisors is an integer number (3336336202).

Almost surely, 2^6672672403 is an apocalyptic number.

6672672403 is a deficient number, since it is larger than the sum of its proper divisors (1).

6672672403 is an equidigital number, since it uses as much as digits as its factorization.

6672672403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 6672672403 is about 81686.4272875243. The cubic root of 6672672403 is about 1882.6370495634.

It can be divided in two parts, 66726 and 72403, that added together give a square (139129 = 373²).

The spelling of 6672672403 in words is "six billion, six hundred seventy-two million, six hundred seventy-two thousand, four hundred three".