195372790 has 16 divisors (see below), whose sum is σ = 360249120. Its totient is φ = 76242880.

The previous prime is 195372773. The next prime is 195372803. The reversal of 195372790 is 97273591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237850 + ... + 238669.

It is an arithmetic number, because the mean of its divisors is an integer number (22515570).

Almost surely, 2^195372790 is an apocalyptic number.

195372790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195372790 is a deficient number, since it is larger than the sum of its proper divisors (164876330).

195372790 is a wasteful number, since it uses less digits than its factorization.

195372790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476567.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 195372790 is about 13977.5816935549. The cubic root of 195372790 is about 580.2582975566.

The spelling of 195372790 in words is "one hundred ninety-five million, three hundred seventy-two thousand, seven hundred ninety".