71264073 has 4 divisors (see below), whose sum is σ = 95018768. Its totient is φ = 47509380.

The previous prime is 71264047. The next prime is 71264087. The reversal of 71264073 is 37046217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71264073 - 2¹² = 71259977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71264073.

It is not an unprimeable number, because it can be changed into a prime (71264093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11877343 + ... + 11877348.

It is an arithmetic number, because the mean of its divisors is an integer number (23754692).

Almost surely, 2^71264073 is an apocalyptic number.

It is an amenable number.

71264073 is a deficient number, since it is larger than the sum of its proper divisors (23754695).

71264073 is a wasteful number, since it uses less digits than its factorization.

71264073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23754694.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 71264073 is about 8441.8050794839. The cubic root of 71264073 is about 414.5945098194.

The spelling of 71264073 in words is "seventy-one million, two hundred sixty-four thousand, seventy-three".