72406326 has 8 divisors (see below), whose sum is σ = 144812664. Its totient is φ = 24135440.

The previous prime is 72406319. The next prime is 72406333. The reversal of 72406326 is 62360427.

It is an interprime number because it is at equal distance from previous prime (72406319) and next prime (72406333).

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

72406326 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72406293 and 72406302.

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, 6033855 + ... + 6033866.

It is an arithmetic number, because the mean of its divisors is an integer number (18101583).

Almost surely, 2^72406326 is an apocalyptic number.

72406326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72406326 is a wasteful number, since it uses less digits than its factorization.

72406326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067726.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 72406326 is about 8509.1906783195. The cubic root of 72406326 is about 416.7978823713.

The spelling of 72406326 in words is "seventy-two million, four hundred six thousand, three hundred twenty-six".