71740451005 has 4 divisors (see below), whose sum is σ = 86088541212. Its totient is φ = 57392360800.

The previous prime is 71740450997. The next prime is 71740451011. The reversal of 71740451005 is 50015404717.

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 7275748804 + 64464702201 = 85298^2 + 253899^2 .

It is not a de Polignac number, because 71740451005 - 2³ = 71740450997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7174045096 + ... + 7174045105.

It is an arithmetic number, because the mean of its divisors is an integer number (21522135303).

Almost surely, 2^71740451005 is an apocalyptic number.

It is an amenable number.

71740451005 is a deficient number, since it is larger than the sum of its proper divisors (14348090207).

71740451005 is a wasteful number, since it uses less digits than its factorization.

71740451005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14348090206.

The product of its (nonzero) digits is 19600, while the sum is 34.

The spelling of 71740451005 in words is "seventy-one billion, seven hundred forty million, four hundred fifty-one thousand, five".