72998098 has 4 divisors (see below), whose sum is σ = 109497150. Its totient is φ = 36499048.

The previous prime is 72998069. The next prime is 72998129. The reversal of 72998098 is 89089927.

72998098 is nontrivially palindromic in base 3.

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

It can be written as a sum of positive squares in only one way, i.e., 72709729 + 288369 = 8527^2 + 537^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18249523 + ... + 18249526.

Almost surely, 2^72998098 is an apocalyptic number.

72998098 is a deficient number, since it is larger than the sum of its proper divisors (36499052).

72998098 is a wasteful number, since it uses less digits than its factorization.

72998098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36499051.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 72998098 is about 8543.8924384615. The cubic root of 72998098 is about 417.9302898791.

The spelling of 72998098 in words is "seventy-two million, nine hundred ninety-eight thousand, ninety-eight".