71245471465 has 32 divisors (see below), whose sum is σ = 103005978624. Its totient is φ = 46272150720.

The previous prime is 71245471463. The next prime is 71245471477. The reversal of 71245471465 is 56417454217.

It is not a de Polignac number, because 71245471465 - 2¹ = 71245471463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71245471463) 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, 647559 + ... + 749548.

It is an arithmetic number, because the mean of its divisors is an integer number (3218936832).

Almost surely, 2^71245471465 is an apocalyptic number.

It is an amenable number.

71245471465 is a deficient number, since it is larger than the sum of its proper divisors (31760507159).

71245471465 is a wasteful number, since it uses less digits than its factorization.

71245471465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397197.

The product of its digits is 940800, while the sum is 46.

The spelling of 71245471465 in words is "seventy-one billion, two hundred forty-five million, four hundred seventy-one thousand, four hundred sixty-five".