672977 has 2 divisors, whose sum is σ = 672978. Its totient is φ = 672976.

The previous prime is 672967. The next prime is 672983. The reversal of 672977 is 779276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654481 + 18496 = 809^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 672977 - 2⁶ = 672913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672977.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672977.

It is not a weakly prime, because it can be changed into another prime (672937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336488 + 336489.

It is an arithmetic number, because the mean of its divisors is an integer number (336489).

2⁶⁷²⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

672977 is a deficient number, since it is larger than the sum of its proper divisors (1).

672977 is an equidigital number, since it uses as much as digits as its factorization.

672977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 38.

The square root of 672977 is about 820.3517538227. The cubic root of 672977 is about 87.6328105584.

The spelling of 672977 in words is "six hundred seventy-two thousand, nine hundred seventy-seven".