71441000737 has 4 divisors (see below), whose sum is σ = 71597327236. Its totient is φ = 71284674240.

The previous prime is 71441000699. The next prime is 71441000777. The reversal of 71441000737 is 73700014417.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26038340496 + 45402660241 = 161364^2 + 213079^2 .

It is a cyclic number.

It is not a de Polignac number, because 71441000737 - 2³¹ = 69293517089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71441000777) 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, 78162564 + ... + 78163477.

It is an arithmetic number, because the mean of its divisors is an integer number (17899331809).

Almost surely, 2^71441000737 is an apocalyptic number.

It is an amenable number.

71441000737 is a deficient number, since it is larger than the sum of its proper divisors (156326499).

71441000737 is a wasteful number, since it uses less digits than its factorization.

71441000737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156326498.

The product of its (nonzero) digits is 16464, while the sum is 34.

The spelling of 71441000737 in words is "seventy-one billion, four hundred forty-one million, seven hundred thirty-seven", and thus it is an aban number.