195408072 has 32 divisors (see below), whose sum is σ = 542800800. Its totient is φ = 65135952.

The previous prime is 195408041. The next prime is 195408121. The reversal of 195408072 is 270804591.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452118 + ... + 452549.

It is an arithmetic number, because the mean of its divisors is an integer number (16962525).

Almost surely, 2^195408072 is an apocalyptic number.

195408072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195408072 is an abundant number, since it is smaller than the sum of its proper divisors (347392728).

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

195408072 is a wasteful number, since it uses less digits than its factorization.

195408072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904682 (or 904672 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 195408072 is about 13978.8437290071. The cubic root of 195408072 is about 580.2932247011.

The spelling of 195408072 in words is "one hundred ninety-five million, four hundred eight thousand, seventy-two".