73542817 has 2 divisors, whose sum is σ = 73542818. Its totient is φ = 73542816.

The previous prime is 73542803. The next prime is 73542839. The reversal of 73542817 is 71824537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 31539456 = 6481^2 + 5616^2 .

It is a cyclic number.

It is not a de Polignac number, because 73542817 - 2¹¹ = 73540769 is a prime.

It is not a weakly prime, because it can be changed into another prime (73543817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36771408 + 36771409.

It is an arithmetic number, because the mean of its divisors is an integer number (36771409).

Almost surely, 2^73542817 is an apocalyptic number.

It is an amenable number.

73542817 is a deficient number, since it is larger than the sum of its proper divisors (1).

73542817 is an equidigital number, since it uses as much as digits as its factorization.

73542817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 73542817 is about 8575.7108743241. The cubic root of 73542817 is about 418.9672604825.

The spelling of 73542817 in words is "seventy-three million, five hundred forty-two thousand, eight hundred seventeen".