195673264 has 80 divisors (see below), whose sum is σ = 415821600. Its totient is φ = 88850432.

The previous prime is 195673249. The next prime is 195673273. The reversal of 195673264 is 462376591.

It is a self number, because there is not a number n which added to its sum of digits gives 195673264.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428204 + ... + 1428340.

It is an arithmetic number, because the mean of its divisors is an integer number (5197770).

Almost surely, 2^195673264 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 195673264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207910800).

195673264 is an abundant number, since it is smaller than the sum of its proper divisors (220148336).

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

195673264 is a wasteful number, since it uses less digits than its factorization.

195673264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 304 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 195673264 is about 13988.3259899103. The cubic root of 195673264 is about 580.5556150183. Note that the first 3 decimals are identical.

The spelling of 195673264 in words is "one hundred ninety-five million, six hundred seventy-three thousand, two hundred sixty-four".