71407041477081 has 8 divisors (see below), whose sum is σ = 100220409090720. Its totient is φ = 45099184090752.

The previous prime is 71407041477073. The next prime is 71407041477089. The reversal of 71407041477081 is 18077414070417.

It is an interprime number because it is at equal distance from previous prime (71407041477073) and next prime (71407041477089).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71407041477081 - 2³ = 71407041477073 is a prime.

It is a super-2 number, since 2×71407041477081² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71407041477089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626377556760 + ... + 626377556873.

It is an arithmetic number, because the mean of its divisors is an integer number (12527551136340).

Almost surely, 2^{71407041477081} is an apocalyptic number.

It is an amenable number.

71407041477081 is a deficient number, since it is larger than the sum of its proper divisors (28813367613639).

71407041477081 is a wasteful number, since it uses less digits than its factorization.

71407041477081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252755113655.

The product of its (nonzero) digits is 1229312, while the sum is 51.

The spelling of 71407041477081 in words is "seventy-one trillion, four hundred seven billion, forty-one million, four hundred seventy-seven thousand, eighty-one".