72448198 has 4 divisors (see below), whose sum is σ = 108672300. Its totient is φ = 36224098.

The previous prime is 72448171. The next prime is 72448199. The reversal of 72448198 is 89184427.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72448199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18112048 + ... + 18112051.

It is an arithmetic number, because the mean of its divisors is an integer number (27168075).

Almost surely, 2^72448198 is an apocalyptic number.

72448198 is a deficient number, since it is larger than the sum of its proper divisors (36224102).

72448198 is a wasteful number, since it uses less digits than its factorization.

72448198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36224101.

The product of its digits is 129024, while the sum is 43.

The square root of 72448198 is about 8511.6507212174. The cubic root of 72448198 is about 416.8782105177.

The spelling of 72448198 in words is "seventy-two million, four hundred forty-eight thousand, one hundred ninety-eight".