117271770 has 64 divisors (see below), whose sum is σ = 350908416. Its totient is φ = 24367680.

The previous prime is 117271769. The next prime is 117271771. The reversal of 117271770 is 77172711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117271769) and next prime (117271771).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (117271771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23074 + ... + 27693.

It is an arithmetic number, because the mean of its divisors is an integer number (5482944).

Almost surely, 2^117271770 is an apocalyptic number.

117271770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117271770 is an abundant number, since it is smaller than the sum of its proper divisors (233636646).

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

117271770 is a wasteful number, since it uses less digits than its factorization.

117271770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50795.

The product of its (nonzero) digits is 4802, while the sum is 33.

The square root of 117271770 is about 10829.2091123960. The cubic root of 117271770 is about 489.4757269146.

The spelling of 117271770 in words is "one hundred seventeen million, two hundred seventy-one thousand, seven hundred seventy".