6672026491 has 32 divisors (see below), whose sum is σ = 8076902400. Its totient is φ = 5451546240.

The previous prime is 6672026411. The next prime is 6672026497. The reversal of 6672026491 is 1946202766.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6672026491 - 2²¹ = 6669929339 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6672026497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207030 + ... + 237076.

It is an arithmetic number, because the mean of its divisors is an integer number (252403200).

Almost surely, 2^6672026491 is an apocalyptic number.

6672026491 is a deficient number, since it is larger than the sum of its proper divisors (1404875909).

6672026491 is a wasteful number, since it uses less digits than its factorization.

6672026491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30139.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 6672026491 is about 81682.4735852190. The cubic root of 6672026491 is about 1882.5763014339.

The spelling of 6672026491 in words is "six billion, six hundred seventy-two million, twenty-six thousand, four hundred ninety-one".