675123660 has 120 divisors (see below), whose sum is σ = 2143831536. Its totient is φ = 177828480.

The previous prime is 675123643. The next prime is 675123667. The reversal of 675123660 is 66321576.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (675123667) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 131950 + ... + 136970.

Almost surely, 2^675123660 is an apocalyptic number.

675123660 is a gapful number since it is divisible by the number (60) 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 675123660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071915768).

675123660 is an abundant number, since it is smaller than the sum of its proper divisors (1468707876).

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

675123660 is a wasteful number, since it uses less digits than its factorization.

675123660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 675123660 is about 25983.1418423562. The cubic root of 675123660 is about 877.2588861979.

The spelling of 675123660 in words is "six hundred seventy-five million, one hundred twenty-three thousand, six hundred sixty".