195732768 has 96 divisors (see below), whose sum is σ = 640604160. Its totient is φ = 50837760.

The previous prime is 195732743. The next prime is 195732799. The reversal of 195732768 is 867237591.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×195732768² = 76622632937883648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nialpdrome in base 16.

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, 5848 + ... + 20631.

It is an arithmetic number, because the mean of its divisors is an integer number (6672960).

Almost surely, 2^195732768 is an apocalyptic number.

It is an amenable number.

195732768 is an abundant number, since it is smaller than the sum of its proper divisors (444871392).

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

195732768 is a wasteful number, since it uses less digits than its factorization.

195732768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26510 (or 26502 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 195732768 is about 13990.4527446398. The cubic root of 195732768 is about 580.6144578046.

The spelling of 195732768 in words is "one hundred ninety-five million, seven hundred thirty-two thousand, seven hundred sixty-eight".