72416320776026 has 8 divisors (see below), whose sum is σ = 108624733655124. Its totient is φ = 36208076224320.

The previous prime is 72416320775987. The next prime is 72416320776029. The reversal of 72416320776026 is 62067702361427.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52139302770025 + 20277018006001 = 7220755^2 + 4503001^2 .

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

It is a super-3 number, since 3×72416320776026³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72416320776029) 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, 41000765 + ... + 42730496.

Almost surely, 2^{72416320776026} is an apocalyptic number.

72416320776026 is a deficient number, since it is larger than the sum of its proper divisors (36208412879098).

72416320776026 is a wasteful number, since it uses less digits than its factorization.

72416320776026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84163696.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 72416320776026 in words is "seventy-two trillion, four hundred sixteen billion, three hundred twenty million, seven hundred seventy-six thousand, twenty-six".