72641298 has 16 divisors (see below), whose sum is σ = 145825920. Its totient is φ = 24123216.

The previous prime is 72641281. The next prime is 72641341. The reversal of 72641298 is 89214627.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20890 + ... + 24117.

It is an arithmetic number, because the mean of its divisors is an integer number (9114120).

Almost surely, 2^72641298 is an apocalyptic number.

72641298 is an abundant number, since it is smaller than the sum of its proper divisors (73184622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72641298 is a wasteful number, since it uses less digits than its factorization.

72641298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45281.

The product of its digits is 48384, while the sum is 39.

The square root of 72641298 is about 8522.9864484229. The cubic root of 72641298 is about 417.2482577644.

It can be divided in two parts, 726 and 41298, that added together give a palindrome (42024).

The spelling of 72641298 in words is "seventy-two million, six hundred forty-one thousand, two hundred ninety-eight".