71478146630 has 32 divisors (see below), whose sum is σ = 143780440608. Its totient is φ = 25358099200.

The previous prime is 71478146609. The next prime is 71478146687. The reversal of 71478146630 is 3664187417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7919897 + ... + 7928916.

It is an arithmetic number, because the mean of its divisors is an integer number (4493138769).

Almost surely, 2^71478146630 is an apocalyptic number.

71478146630 is an abundant number, since it is smaller than the sum of its proper divisors (72302293978).

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

71478146630 is a wasteful number, since it uses less digits than its factorization.

71478146630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15848872.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 71478146630 in words is "seventy-one billion, four hundred seventy-eight million, one hundred forty-six thousand, six hundred thirty".