73501601 has 2 divisors, whose sum is σ = 73501602. Its totient is φ = 73501600.

The previous prime is 73501567. The next prime is 73501607. The reversal of 73501601 is 10610537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 2958400 = 8399^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 73501601 - 2¹⁸ = 73239457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73501607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36750800 + 36750801.

It is an arithmetic number, because the mean of its divisors is an integer number (36750801).

Almost surely, 2^73501601 is an apocalyptic number.

It is an amenable number.

73501601 is a deficient number, since it is larger than the sum of its proper divisors (1).

73501601 is an equidigital number, since it uses as much as digits as its factorization.

73501601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 73501601 is about 8573.3074714488. The cubic root of 73501601 is about 418.8889778248. Note that the first 3 decimals are identical.

The spelling of 73501601 in words is "seventy-three million, five hundred one thousand, six hundred one".