71456607041 has 4 divisors (see below), whose sum is σ = 72523123632. Its totient is φ = 70390090452.

The previous prime is 71456607031. The next prime is 71456607043. The reversal of 71456607041 is 14070665417.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14070665417 = 17 ⋅827686201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71456607041 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 71456607041.

It is not an unprimeable number, because it can be changed into a prime (71456607043) 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, 533258195 + ... + 533258328.

It is an arithmetic number, because the mean of its divisors is an integer number (18130780908).

Almost surely, 2^71456607041 is an apocalyptic number.

It is an amenable number.

71456607041 is a deficient number, since it is larger than the sum of its proper divisors (1066516591).

71456607041 is a wasteful number, since it uses less digits than its factorization.

71456607041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066516590.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 71456607041 in words is "seventy-one billion, four hundred fifty-six million, six hundred seven thousand, forty-one".