73887361 has 2 divisors, whose sum is σ = 73887362. Its totient is φ = 73887360.

The previous prime is 73887349. The next prime is 73887367. The reversal of 73887361 is 16378837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71927361 + 1960000 = 8481^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 73887361 - 2¹¹ = 73885313 is a prime.

It is not a weakly prime, because it can be changed into another prime (73887367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36943680 + 36943681.

It is an arithmetic number, because the mean of its divisors is an integer number (36943681).

Almost surely, 2^73887361 is an apocalyptic number.

It is an amenable number.

73887361 is a deficient number, since it is larger than the sum of its proper divisors (1).

73887361 is an equidigital number, since it uses as much as digits as its factorization.

73887361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 73887361 is about 8595.7757648743. The cubic root of 73887361 is about 419.6205208031.

The spelling of 73887361 in words is "seventy-three million, eight hundred eighty-seven thousand, three hundred sixty-one".