675636544 has 56 divisors (see below), whose sum is σ = 1466075808. Its totient is φ = 306378240.

The previous prime is 675636541. The next prime is 675636547. The reversal of 675636544 is 445636576.

It is an interprime number because it is at equal distance from previous prime (675636541) and next prime (675636547).

It is a junction number, because it is equal to n+sod(n) for n = 675636494 and 675636503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675636541) 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, 391267 + ... + 392989.

Almost surely, 2^675636544 is an apocalyptic number.

675636544 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 675636544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733037904).

675636544 is an abundant number, since it is smaller than the sum of its proper divisors (790439264).

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

675636544 is a wasteful number, since it uses less digits than its factorization.

675636544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2293 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 46.

The square root of 675636544 is about 25993.0095217926. The cubic root of 675636544 is about 877.4809779347.

The spelling of 675636544 in words is "six hundred seventy-five million, six hundred thirty-six thousand, five hundred forty-four".