72300238 has 4 divisors (see below), whose sum is σ = 108450360. Its totient is φ = 36150118.

The previous prime is 72300229. The next prime is 72300251. The reversal of 72300238 is 83200327.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18075058 + ... + 18075061.

It is an arithmetic number, because the mean of its divisors is an integer number (27112590).

Almost surely, 2^72300238 is an apocalyptic number.

72300238 is a deficient number, since it is larger than the sum of its proper divisors (36150122).

72300238 is a wasteful number, since it uses less digits than its factorization.

72300238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36150121.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 72300238 is about 8502.9546629392. The cubic root of 72300238 is about 416.5942221428.

The spelling of 72300238 in words is "seventy-two million, three hundred thousand, two hundred thirty-eight".