73887071 has 2 divisors, whose sum is σ = 73887072. Its totient is φ = 73887070.

The previous prime is 73887061. The next prime is 73887091. The reversal of 73887071 is 17078837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73887071 - 2⁶ = 73887007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73887001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36943535 + 36943536.

It is an arithmetic number, because the mean of its divisors is an integer number (36943536).

Almost surely, 2^73887071 is an apocalyptic number.

73887071 is a deficient number, since it is larger than the sum of its proper divisors (1).

73887071 is an equidigital number, since it uses as much as digits as its factorization.

73887071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 73887071 is about 8595.7588961068. The cubic root of 73887071 is about 419.6199718139.

The spelling of 73887071 in words is "seventy-three million, eight hundred eighty-seven thousand, seventy-one".