195279672 has 64 divisors (see below), whose sum is σ = 565620480. Its totient is φ = 55026432.

The previous prime is 195279671. The next prime is 195279677. The reversal of 195279672 is 276972591.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195279671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4303 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (8837820).

Almost surely, 2^195279672 is an apocalyptic number.

195279672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195279672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282810240).

195279672 is an abundant number, since it is smaller than the sum of its proper divisors (370340808).

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

195279672 is a wasteful number, since it uses less digits than its factorization.

195279672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16012 (or 16008 counting only the distinct ones).

The product of its digits is 476280, while the sum is 48.

The square root of 195279672 is about 13974.2503197846. The cubic root of 195279672 is about 580.1660959102.

The spelling of 195279672 in words is "one hundred ninety-five million, two hundred seventy-nine thousand, six hundred seventy-two".