72404214 has 8 divisors (see below), whose sum is σ = 144808440. Its totient is φ = 24134736.

The previous prime is 72404179. The next prime is 72404257. The reversal of 72404214 is 41240427.

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

72404214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6033679 + ... + 6033690.

It is an arithmetic number, because the mean of its divisors is an integer number (18101055).

Almost surely, 2^72404214 is an apocalyptic number.

72404214 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.

72404214 is a wasteful number, since it uses less digits than its factorization.

72404214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12067374.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 72404214 is about 8509.0665763055. The cubic root of 72404214 is about 416.7938298447.

The spelling of 72404214 in words is "seventy-two million, four hundred four thousand, two hundred fourteen".