72196086 has 48 divisors (see below), whose sum is σ = 157291200. Its totient is φ = 22029840.

The previous prime is 72196073. The next prime is 72196087. The reversal of 72196086 is 68069127.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72196087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109225 + ... + 109883.

It is an arithmetic number, because the mean of its divisors is an integer number (3276900).

Almost surely, 2^72196086 is an apocalyptic number.

72196086 is an abundant number, since it is smaller than the sum of its proper divisors (85095114).

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

72196086 is a wasteful number, since it uses less digits than its factorization.

72196086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 72196086 is about 8496.8279963761. The cubic root of 72196086 is about 416.3940846143.

The spelling of 72196086 in words is "seventy-two million, one hundred ninety-six thousand, eighty-six".