73696081 has 2 divisors, whose sum is σ = 73696082. Its totient is φ = 73696080.

The previous prime is 73696069. The next prime is 73696111. The reversal of 73696081 is 18069637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73685056 + 11025 = 8584^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 73696081 - 2²¹ = 71598929 is a prime.

It is a super-2 number, since 2×73696081² = 10862224709517122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73696031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36848040 + 36848041.

It is an arithmetic number, because the mean of its divisors is an integer number (36848041).

Almost surely, 2^73696081 is an apocalyptic number.

It is an amenable number.

73696081 is a deficient number, since it is larger than the sum of its proper divisors (1).

73696081 is an equidigital number, since it uses as much as digits as its factorization.

73696081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 73696081 is about 8584.6421591118. The cubic root of 73696081 is about 419.2581025879.

The spelling of 73696081 in words is "seventy-three million, six hundred ninety-six thousand, eighty-one".