72298356 has 24 divisors (see below), whose sum is σ = 181673184. Its totient is φ = 22245600.

The previous prime is 72298339. The next prime is 72298367. The reversal of 72298356 is 65389227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231570 + ... + 231881.

It is an arithmetic number, because the mean of its divisors is an integer number (7569716).

Almost surely, 2^72298356 is an apocalyptic number.

It is an amenable number.

72298356 is an abundant number, since it is smaller than the sum of its proper divisors (109374828).

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

72298356 is a wasteful number, since it uses less digits than its factorization.

72298356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463471 (or 463469 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 72298356 is about 8502.8439948055. The cubic root of 72298356 is about 416.5906074146.

The spelling of 72298356 in words is "seventy-two million, two hundred ninety-eight thousand, three hundred fifty-six".