71974708346406 has 32 divisors (see below), whose sum is σ = 152447902904160. Its totient is φ = 22575726811136.

The previous prime is 71974708346351. The next prime is 71974708346419. The reversal of 71974708346406 is 60464380747917.

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, 70960311 + ... + 71967458.

It is an arithmetic number, because the mean of its divisors is an integer number (4763996965755).

Almost surely, 2^{71974708346406} is an apocalyptic number.

71974708346406 is an abundant number, since it is smaller than the sum of its proper divisors (80473194557754).

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

71974708346406 is a wasteful number, since it uses less digits than its factorization.

71974708346406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142932728.

The product of its (nonzero) digits is 170698752, while the sum is 66.

The spelling of 71974708346406 in words is "seventy-one trillion, nine hundred seventy-four billion, seven hundred eight million, three hundred forty-six thousand, four hundred six".