72798298 has 8 divisors (see below), whose sum is σ = 109317780. Its totient is φ = 36359040.

The previous prime is 72798293. The next prime is 72798307. The reversal of 72798298 is 89289727.

It can be written as a sum of positive squares in 2 ways, for example, as 72029169 + 769129 = 8487^2 + 877^2 .

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 (72798293) 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, 17733 + ... + 21448.

Almost surely, 2^72798298 is an apocalyptic number.

72798298 is a deficient number, since it is larger than the sum of its proper divisors (36519482).

72798298 is a wasteful number, since it uses less digits than its factorization.

72798298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40112.

The product of its digits is 1016064, while the sum is 52.

The square root of 72798298 is about 8532.1918637593. The cubic root of 72798298 is about 417.5486417086.

The spelling of 72798298 in words is "seventy-two million, seven hundred ninety-eight thousand, two hundred ninety-eight".