677320432 has 10 divisors (see below), whose sum is σ = 1312308368. Its totient is φ = 338660208.

The previous prime is 677320429. The next prime is 677320439. The reversal of 677320432 is 234023776.

It is a happy number.

677320432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677320439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21166248 + ... + 21166279.

Almost surely, 2^677320432 is an apocalyptic number.

It is an amenable number.

677320432 is a deficient number, since it is larger than the sum of its proper divisors (634987936).

677320432 is a wasteful number, since it uses less digits than its factorization.

677320432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42332535 (or 42332529 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 677320432 is about 26025.3805351622. The cubic root of 677320432 is about 878.2093546907.

The spelling of 677320432 in words is "six hundred seventy-seven million, three hundred twenty thousand, four hundred thirty-two".