71870484 has 24 divisors (see below), whose sum is σ = 191654848. Its totient is φ = 20534400.

The previous prime is 71870479. The next prime is 71870503. The reversal of 71870484 is 48407817.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427717 + ... + 427884.

Almost surely, 2^71870484 is an apocalyptic number.

It is an amenable number.

71870484 is an abundant number, since it is smaller than the sum of its proper divisors (119784364).

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

71870484 is a wasteful number, since it uses less digits than its factorization.

71870484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855615 (or 855613 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 71870484 is about 8477.6461355732. The cubic root of 71870484 is about 415.7671666143.

The spelling of 71870484 in words is "seventy-one million, eight hundred seventy thousand, four hundred eighty-four".