71040037407 has 32 divisors (see below), whose sum is σ = 98489780160. Its totient is φ = 45509299200.

The previous prime is 71040037391. The next prime is 71040037469. The reversal of 71040037407 is 70473004017.

It is not a de Polignac number, because 71040037407 - 2⁴ = 71040037391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71040037477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4577553 + ... + 4593045.

It is an arithmetic number, because the mean of its divisors is an integer number (3077805630).

Almost surely, 2^71040037407 is an apocalyptic number.

71040037407 is a deficient number, since it is larger than the sum of its proper divisors (27449742753).

71040037407 is a wasteful number, since it uses less digits than its factorization.

71040037407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16043.

The product of its (nonzero) digits is 16464, while the sum is 33.

The spelling of 71040037407 in words is "seventy-one billion, forty million, thirty-seven thousand, four hundred seven".