677473 has 2 divisors, whose sum is σ = 677474. Its totient is φ = 677472.

The previous prime is 677471. The next prime is 677531. The reversal of 677473 is 374776.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 144 = 823^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 677473 - 2¹ = 677471 is a prime.

Together with 677471, it forms a pair of twin primes.

677473 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (677471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338736 + 338737.

It is an arithmetic number, because the mean of its divisors is an integer number (338737).

2⁶⁷⁷⁴⁷³ is an apocalyptic number.

It is an amenable number.

677473 is a deficient number, since it is larger than the sum of its proper divisors (1).

677473 is an equidigital number, since it uses as much as digits as its factorization.

677473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 34.

The square root of 677473 is about 823.0874801623. The cubic root of 677473 is about 87.8275289306.

The spelling of 677473 in words is "six hundred seventy-seven thousand, four hundred seventy-three".