72998205 has 64 divisors (see below), whose sum is σ = 140894208. Its totient is φ = 31553280.

The previous prime is 72998183. The next prime is 72998207. The reversal of 72998205 is 50289927.

It is not a de Polignac number, because 72998205 - 2⁶ = 72998141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72998207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 403215 + ... + 403395.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^72998205 is an apocalyptic number.

It is an amenable number.

72998205 is a deficient number, since it is larger than the sum of its proper divisors (67896003).

72998205 is a wasteful number, since it uses less digits than its factorization.

72998205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 72998205 is about 8543.8987002422. The cubic root of 72998205 is about 417.9304940786.

The spelling of 72998205 in words is "seventy-two million, nine hundred ninety-eight thousand, two hundred five".