71044077 has 16 divisors (see below), whose sum is σ = 103687808. Its totient is φ = 43001280.

The previous prime is 71044073. The next prime is 71044093. The reversal of 71044077 is 77044017.

It is not a de Polignac number, because 71044077 - 2² = 71044073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71044073) 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, 12553 + ... + 17310.

It is an arithmetic number, because the mean of its divisors is an integer number (6480488).

Almost surely, 2^71044077 is an apocalyptic number.

It is an amenable number.

71044077 is a deficient number, since it is larger than the sum of its proper divisors (32643731).

71044077 is a wasteful number, since it uses less digits than its factorization.

71044077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29940.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 71044077 is about 8428.7648561340. The cubic root of 71044077 is about 414.1674449274.

The spelling of 71044077 in words is "seventy-one million, forty-four thousand, seventy-seven".