677704040 has 64 divisors (see below), whose sum is σ = 1645176960. Its totient is φ = 249765120.

The previous prime is 677704021. The next prime is 677704043. The reversal of 677704040 is 40407776.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (677704043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420917 + ... + 422523.

It is an arithmetic number, because the mean of its divisors is an integer number (25705890).

Almost surely, 2^677704040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677704040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822588480).

677704040 is an abundant number, since it is smaller than the sum of its proper divisors (967472920).

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

677704040 is a wasteful number, since it uses less digits than its factorization.

677704040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 677704040 is about 26032.7493745859. The cubic root of 677704040 is about 878.3751179632.

The spelling of 677704040 in words is "six hundred seventy-seven million, seven hundred four thousand, forty".