72416320776025 has 12 divisors (see below), whose sum is σ = 89991023541804. Its totient is φ = 57807388376000.

The previous prime is 72416320775987. The next prime is 72416320776029. The reversal of 72416320776025 is 52067702361427.

It can be written as a sum of positive squares in 6 ways, for example, as 7558875934281 + 64857444841744 = 2749341^2 + 8053412^2 .

It is not a de Polignac number, because 72416320776025 - 2¹⁵ = 72416320743257 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 3141694366 + ... + 3141717415.

It is an arithmetic number, because the mean of its divisors is an integer number (7499251961817).

Almost surely, 2^{72416320776025} is an apocalyptic number.

It is an amenable number.

72416320776025 is a deficient number, since it is larger than the sum of its proper divisors (17574702765779).

72416320776025 is a wasteful number, since it uses less digits than its factorization.

72416320776025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283412252 (or 6283412247 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 72416320776025 in words is "seventy-two trillion, four hundred sixteen billion, three hundred twenty million, seven hundred seventy-six thousand, twenty-five".