195673320 has 192 divisors, whose sum is σ = 676952640. Its totient is φ = 50803200.

The previous prime is 195673307. The next prime is 195673327. The reversal of 195673320 is 23376591.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195673327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398275 + ... + 398765.

It is an arithmetic number, because the mean of its divisors is an integer number (3525795).

Almost surely, 2^195673320 is an apocalyptic number.

195673320 is a gapful number since it is divisible by the number (10) 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 195673320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338476320).

195673320 is an abundant number, since it is smaller than the sum of its proper divisors (481279320).

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

195673320 is a wasteful number, since it uses less digits than its factorization.

195673320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 195673320 is about 13988.3279915793. The cubic root of 195673320 is about 580.5556704016. Note that the first 3 decimals are identical.

The spelling of 195673320 in words is "one hundred ninety-five million, six hundred seventy-three thousand, three hundred twenty".