72798098 has 8 divisors (see below), whose sum is σ = 109236108. Its totient is φ = 36386064.

The previous prime is 72798079. The next prime is 72798109. The reversal of 72798098 is 89089727.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68442529 + 4355569 = 8273^2 + 2087^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3740 + ... + 12632.

Almost surely, 2^72798098 is an apocalyptic number.

72798098 is a deficient number, since it is larger than the sum of its proper divisors (36438010).

72798098 is a wasteful number, since it uses less digits than its factorization.

72798098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 72798098 is about 8532.1801434334. The cubic root of 72798098 is about 417.5482593287.

The spelling of 72798098 in words is "seventy-two million, seven hundred ninety-eight thousand, ninety-eight".