117571446 has 64 divisors (see below), whose sum is σ = 274659840. Its totient is φ = 37208160.

The previous prime is 117571427. The next prime is 117571457. The reversal of 117571446 is 644175711.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 117571446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224541 + ... + 225063.

It is an arithmetic number, because the mean of its divisors is an integer number (4291560).

Almost surely, 2^117571446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117571446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137329920).

117571446 is an abundant number, since it is smaller than the sum of its proper divisors (157088394).

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

117571446 is a wasteful number, since it uses less digits than its factorization.

117571446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 732 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 117571446 is about 10843.0367517592. The cubic root of 117571446 is about 489.8923073061.

It can be divided in two parts, 11757 and 1446, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 117571446 in words is "one hundred seventeen million, five hundred seventy-one thousand, four hundred forty-six".