72300351 has 8 divisors (see below), whose sum is σ = 96469120. Its totient is φ = 48165912.

The previous prime is 72300289. The next prime is 72300353. The reversal of 72300351 is 15300327.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72300351 - 2⁶ = 72300287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72300353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (12058640).

Almost surely, 2^72300351 is an apocalyptic number.

72300351 is a deficient number, since it is larger than the sum of its proper divisors (24168769).

72300351 is a wasteful number, since it uses less digits than its factorization.

72300351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17165.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 72300351 is about 8502.9613076857. The cubic root of 72300351 is about 416.5944391782.

Adding to 72300351 its reverse (15300327), we get a palindrome (87600678).

The spelling of 72300351 in words is "seventy-two million, three hundred thousand, three hundred fifty-one".