195407072 has 24 divisors (see below), whose sum is σ = 439666416. Its totient is φ = 83745792.

The previous prime is 195407071. The next prime is 195407083. The reversal of 195407072 is 270704591.

195407072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195407072² = 76367847575226368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195407071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435953 + ... + 436400.

It is an arithmetic number, because the mean of its divisors is an integer number (18319434).

Almost surely, 2^195407072 is an apocalyptic number.

It is an amenable number.

195407072 is an abundant number, since it is smaller than the sum of its proper divisors (244259344).

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

195407072 is an equidigital number, since it uses as much as digits as its factorization.

195407072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872370 (or 872362 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 195407072 is about 13978.8079606238. The cubic root of 195407072 is about 580.2922348167.

The spelling of 195407072 in words is "one hundred ninety-five million, four hundred seven thousand, seventy-two".