196739072 has 72 divisors (see below), whose sum is σ = 419428800. Its totient is φ = 92012544.

The previous prime is 196739041. The next prime is 196739089. The reversal of 196739072 is 270937691.

It is a happy number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490329 + ... + 2490407.

It is an arithmetic number, because the mean of its divisors is an integer number (5825400).

Almost surely, 2^196739072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196739072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209714400).

196739072 is an abundant number, since it is smaller than the sum of its proper divisors (222689728).

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

196739072 is an frugal number, since it uses more digits than its factorization.

196739072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 196739072 is about 14026.3705925660. The cubic root of 196739072 is about 581.6077784663.

The spelling of 196739072 in words is "one hundred ninety-six million, seven hundred thirty-nine thousand, seventy-two".