196440072 has 32 divisors (see below), whose sum is σ = 501552000. Its totient is φ = 64086464.

The previous prime is 196440071. The next prime is 196440073. The reversal of 196440072 is 270044691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196440071) and next prime (196440073).

It is not an unprimeable number, because it can be changed into a prime (196440071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85947 + ... + 88202.

It is an arithmetic number, because the mean of its divisors is an integer number (15673500).

Almost surely, 2^196440072 is an apocalyptic number.

196440072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

196440072 is an abundant number, since it is smaller than the sum of its proper divisors (305111928).

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

196440072 is a wasteful number, since it uses less digits than its factorization.

196440072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174205 (or 174201 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 196440072 is about 14015.7080449045. The cubic root of 196440072 is about 581.3129905604.

The spelling of 196440072 in words is "one hundred ninety-six million, four hundred forty thousand, seventy-two".