72818326 has 8 divisors (see below), whose sum is σ = 124831440. Its totient is φ = 31207848.

The previous prime is 72818311. The next prime is 72818341. The reversal of 72818326 is 62381827.

It is an interprime number because it is at equal distance from previous prime (72818311) and next prime (72818341).

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

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, 2600641 + ... + 2600668.

It is an arithmetic number, because the mean of its divisors is an integer number (15603930).

Almost surely, 2^72818326 is an apocalyptic number.

72818326 is a deficient number, since it is larger than the sum of its proper divisors (52013114).

72818326 is a wasteful number, since it uses less digits than its factorization.

72818326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201318.

The product of its digits is 32256, while the sum is 37.

The square root of 72818326 is about 8533.3654556687. The cubic root of 72818326 is about 417.5869296798.

The spelling of 72818326 in words is "seventy-two million, eight hundred eighteen thousand, three hundred twenty-six".