672955799 has 2 divisors, whose sum is σ = 672955800. Its totient is φ = 672955798.

The previous prime is 672955771. The next prime is 672955819. The reversal of 672955799 is 997559276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672955799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672955739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336477899 + 336477900.

It is an arithmetic number, because the mean of its divisors is an integer number (336477900).

Almost surely, 2^672955799 is an apocalyptic number.

672955799 is a deficient number, since it is larger than the sum of its proper divisors (1).

672955799 is an equidigital number, since it uses as much as digits as its factorization.

672955799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10716300, while the sum is 59.

The square root of 672955799 is about 25941.3916164881. The cubic root of 672955799 is about 876.3189030767.

The spelling of 672955799 in words is "six hundred seventy-two million, nine hundred fifty-five thousand, seven hundred ninety-nine".