71264034637 has 16 divisors (see below), whose sum is σ = 74177708032. Its totient is φ = 68389317360.

The previous prime is 71264034623. The next prime is 71264034649. The reversal of 71264034637 is 73643046217.

It is a cyclic number.

It is not a de Polignac number, because 71264034637 - 2²³ = 71255646029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71264034593 and 71264034602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71264034617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13631218 + ... + 13636444.

It is an arithmetic number, because the mean of its divisors is an integer number (4636106752).

Almost surely, 2^71264034637 is an apocalyptic number.

It is an amenable number.

71264034637 is a deficient number, since it is larger than the sum of its proper divisors (2913673395).

71264034637 is a wasteful number, since it uses less digits than its factorization.

71264034637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 71264034637 in words is "seventy-one billion, two hundred sixty-four million, thirty-four thousand, six hundred thirty-seven".