71731020470 has 8 divisors (see below), whose sum is σ = 129115836864. Its totient is φ = 28692408184.

The previous prime is 71731020463. The next prime is 71731020503. The reversal of 71731020470 is 7402013717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×71731020470³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3586551014 + ... + 3586551033.

It is an arithmetic number, because the mean of its divisors is an integer number (16139479608).

Almost surely, 2^71731020470 is an apocalyptic number.

71731020470 is a deficient number, since it is larger than the sum of its proper divisors (57384816394).

71731020470 is a wasteful number, since it uses less digits than its factorization.

71731020470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173102054.

The product of its (nonzero) digits is 8232, while the sum is 32.

The spelling of 71731020470 in words is "seventy-one billion, seven hundred thirty-one million, twenty thousand, four hundred seventy".