71300073 has 16 divisors (see below), whose sum is σ = 105148736. Its totient is φ = 42690240.

The previous prime is 71300059. The next prime is 71300083. The reversal of 71300073 is 37000317.

It is not a de Polignac number, because 71300073 - 2⁹ = 71299561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71300003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23263 + ... + 26148.

It is an arithmetic number, because the mean of its divisors is an integer number (6571796).

Almost surely, 2^71300073 is an apocalyptic number.

It is an amenable number.

71300073 is a deficient number, since it is larger than the sum of its proper divisors (33848663).

71300073 is a wasteful number, since it uses less digits than its factorization.

71300073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49464.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 71300073 is about 8443.9370556631. The cubic root of 71300073 is about 414.6643107217.

The spelling of 71300073 in words is "seventy-one million, three hundred thousand, seventy-three".