72498378159226 has 8 divisors (see below), whose sum is σ = 108748164974400. Its totient is φ = 36248989834428.

The previous prime is 72498378159223. The next prime is 72498378159379. The reversal of 72498378159226 is 62295187389427.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (72498378159223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99167346 + ... + 99895741.

It is an arithmetic number, because the mean of its divisors is an integer number (13593520621800).

Almost surely, 2^{72498378159226} is an apocalyptic number.

72498378159226 is a deficient number, since it is larger than the sum of its proper divisors (36249786815174).

72498378159226 is a wasteful number, since it uses less digits than its factorization.

72498378159226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199245188.

The product of its digits is 731566080, while the sum is 73.

The spelling of 72498378159226 in words is "seventy-two trillion, four hundred ninety-eight billion, three hundred seventy-eight million, one hundred fifty-nine thousand, two hundred twenty-six".