71460849680 has 40 divisors (see below), whose sum is σ = 181250702784. Its totient is φ = 25985763200.

The previous prime is 71460849661. The next prime is 71460849703. The reversal of 71460849680 is 8694806417.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×71460849680² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40601876 + ... + 40603635.

Almost surely, 2^71460849680 is an apocalyptic number.

It is an amenable number.

71460849680 is an abundant number, since it is smaller than the sum of its proper divisors (109789853104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71460849680 is a wasteful number, since it uses less digits than its factorization.

71460849680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81205535 (or 81205529 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 71460849680 in words is "seventy-one billion, four hundred sixty million, eight hundred forty-nine thousand, six hundred eighty".