677132420 has 48 divisors (see below), whose sum is σ = 1486332288. Its totient is φ = 258635520.

The previous prime is 677132419. The next prime is 677132447. The reversal of 677132420 is 24231776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430235 + ... + 431805.

It is an arithmetic number, because the mean of its divisors is an integer number (30965256).

Almost surely, 2^677132420 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 677132420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743166144).

677132420 is an abundant number, since it is smaller than the sum of its proper divisors (809199868).

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

677132420 is a wasteful number, since it uses less digits than its factorization.

677132420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 677132420 is about 26021.7681951093. The cubic root of 677132420 is about 878.1280887840.

The spelling of 677132420 in words is "six hundred seventy-seven million, one hundred thirty-two thousand, four hundred twenty".