71630147474 has 24 divisors (see below), whose sum is σ = 112355443200. Its totient is φ = 34247045448.

The previous prime is 71630147461. The next prime is 71630147503. The reversal of 71630147474 is 47474103617.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4061327 + ... + 4078925.

It is an arithmetic number, because the mean of its divisors is an integer number (4681476800).

Almost surely, 2^71630147474 is an apocalyptic number.

71630147474 is a deficient number, since it is larger than the sum of its proper divisors (40725295726).

71630147474 is a wasteful number, since it uses less digits than its factorization.

71630147474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21494 (or 21471 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 71630147474 in words is "seventy-one billion, six hundred thirty million, one hundred forty-seven thousand, four hundred seventy-four".