72198337 has 8 divisors (see below), whose sum is σ = 77414400. Its totient is φ = 67089984.

The previous prime is 72198331. The next prime is 72198341. The reversal of 72198337 is 73389127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72198337 - 2⁷ = 72198209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72198337.

It is not an unprimeable number, because it can be changed into a prime (72198331) 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 7 ways as a sum of consecutive naturals, for example, 25537 + ... + 28222.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2^72198337 is an apocalyptic number.

It is an amenable number.

72198337 is a deficient number, since it is larger than the sum of its proper divisors (5216063).

72198337 is a wasteful number, since it uses less digits than its factorization.

72198337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53855.

The product of its digits is 63504, while the sum is 40.

The square root of 72198337 is about 8496.9604565397. The cubic root of 72198337 is about 416.3984121497.

The spelling of 72198337 in words is "seventy-two million, one hundred ninety-eight thousand, three hundred thirty-seven".