72396914 has 8 divisors (see below), whose sum is σ = 114983388. Its totient is φ = 34069120.

The previous prime is 72396913. The next prime is 72396971. The reversal of 72396914 is 41969327.

It can be written as a sum of positive squares in 2 ways, for example, as 71149225 + 1247689 = 8435^2 + 1117^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72396911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064627 + ... + 1064694.

Almost surely, 2^72396914 is an apocalyptic number.

72396914 is a deficient number, since it is larger than the sum of its proper divisors (42586474).

72396914 is a wasteful number, since it uses less digits than its factorization.

72396914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129340.

The product of its digits is 81648, while the sum is 41.

The square root of 72396914 is about 8508.6376112748. The cubic root of 72396914 is about 416.7798219251.

The spelling of 72396914 in words is "seventy-two million, three hundred ninety-six thousand, nine hundred fourteen".