72306326 has 8 divisors (see below), whose sum is σ = 108531264. Its totient is φ = 36129240.

The previous prime is 72306317. The next prime is 72306331. The reversal of 72306326 is 62360327.

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

It is a pancake number, because a pancake can be divided into 72306326 parts by 12025 straight cuts.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7910 + ... + 14393.

It is an arithmetic number, because the mean of its divisors is an integer number (13566408).

Almost surely, 2^72306326 is an apocalyptic number.

72306326 is a deficient number, since it is larger than the sum of its proper divisors (36224938).

72306326 is a wasteful number, since it uses less digits than its factorization.

72306326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23926.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 72306326 is about 8503.3126486094. The cubic root of 72306326 is about 416.6059148403.

The spelling of 72306326 in words is "seventy-two million, three hundred six thousand, three hundred twenty-six".