672084961 has 2 divisors, whose sum is σ = 672084962. Its totient is φ = 672084960.

The previous prime is 672084887. The next prime is 672084979. The reversal of 672084961 is 169480276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504227025 + 167857936 = 22455^2 + 12956^2 .

It is a cyclic number.

It is not a de Polignac number, because 672084961 - 2²⁹ = 135214049 is a prime.

It is not a weakly prime, because it can be changed into another prime (672084461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336042480 + 336042481.

It is an arithmetic number, because the mean of its divisors is an integer number (336042481).

Almost surely, 2^672084961 is an apocalyptic number.

It is an amenable number.

672084961 is a deficient number, since it is larger than the sum of its proper divisors (1).

672084961 is an equidigital number, since it uses as much as digits as its factorization.

672084961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 672084961 is about 25924.6014627033. The cubic root of 672084961 is about 875.9407399464.

The spelling of 672084961 in words is "six hundred seventy-two million, eighty-four thousand, nine hundred sixty-one".