677240704 has 128 divisors (see below), whose sum is σ = 1639180800. Its totient is φ = 272431104.

The previous prime is 677240701. The next prime is 677240717. The reversal of 677240704 is 407042776.

It is a happy number.

677240704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677240701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215594 + ... + 1216150.

It is an arithmetic number, because the mean of its divisors is an integer number (12806100).

Almost surely, 2^677240704 is an apocalyptic number.

677240704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677240704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819590400).

677240704 is an abundant number, since it is smaller than the sum of its proper divisors (961940096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677240704 is a wasteful number, since it uses less digits than its factorization.

677240704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 677240704 is about 26023.8487545559. The cubic root of 677240704 is about 878.1748950664.

The spelling of 677240704 in words is "six hundred seventy-seven million, two hundred forty thousand, seven hundred four".