677481 has 8 divisors (see below), whose sum is σ = 1032384. Its totient is φ = 387120.

The previous prime is 677473. The next prime is 677531. The reversal of 677481 is 184776.

677481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 677481 - 2³ = 677473 is a prime.

It is a super-2 number, since 2×677481² = 917961010722, which contains 22 as substring.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (677441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16110 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (129048).

2⁶⁷⁷⁴⁸¹ is an apocalyptic number.

It is an amenable number.

677481 is a deficient number, since it is larger than the sum of its proper divisors (354903).

677481 is a wasteful number, since it uses less digits than its factorization.

677481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32271.

The product of its digits is 9408, while the sum is 33.

The square root of 677481 is about 823.0923398988. The cubic root of 677481 is about 87.8278746356.

The spelling of 677481 in words is "six hundred seventy-seven thousand, four hundred eighty-one".