672805027 has 2 divisors, whose sum is σ = 672805028. Its totient is φ = 672805026.

The previous prime is 672804983. The next prime is 672805037. The reversal of 672805027 is 720508276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672805027 - 2²⁷ = 538587299 is a prime.

It is equal to p_34916428 and since 672805027 and 34916428 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (672805037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336402513 + 336402514.

It is an arithmetic number, because the mean of its divisors is an integer number (336402514).

Almost surely, 2^672805027 is an apocalyptic number.

672805027 is a deficient number, since it is larger than the sum of its proper divisors (1).

672805027 is an equidigital number, since it uses as much as digits as its factorization.

672805027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 672805027 is about 25938.4854415211. The cubic root of 672805027 is about 876.2534533982.

The spelling of 672805027 in words is "six hundred seventy-two million, eight hundred five thousand, twenty-seven".