72750196 has 18 divisors (see below), whose sum is σ = 133092722. Its totient is φ = 34792560.

The previous prime is 72750193. The next prime is 72750203. The reversal of 72750196 is 69105727.

It can be written as a sum of positive squares in only one way, i.e., 47610000 + 25140196 = 6900^2 + 5014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72750193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15075 + ... + 19306.

Almost surely, 2^72750196 is an apocalyptic number.

It is an amenable number.

72750196 is a deficient number, since it is larger than the sum of its proper divisors (60342526).

72750196 is a wasteful number, since it uses less digits than its factorization.

72750196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34431 (or 34406 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 72750196 is about 8529.3725443317. The cubic root of 72750196 is about 417.4566553541.

The spelling of 72750196 in words is "seventy-two million, seven hundred fifty thousand, one hundred ninety-six".