117355749 has 32 divisors (see below), whose sum is σ = 186266880. Its totient is φ = 64323072.

The previous prime is 117355717. The next prime is 117355751. The reversal of 117355749 is 947553711.

It is not a de Polignac number, because 117355749 - 2⁵ = 117355717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117355749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117355769) 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, 55687 + ... + 57755.

It is an arithmetic number, because the mean of its divisors is an integer number (5820840).

Almost surely, 2^117355749 is an apocalyptic number.

It is an amenable number.

117355749 is a deficient number, since it is larger than the sum of its proper divisors (68911131).

117355749 is a wasteful number, since it uses less digits than its factorization.

117355749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189.

The product of its digits is 132300, while the sum is 42.

The square root of 117355749 is about 10833.0858484552. The cubic root of 117355749 is about 489.5925378458.

The spelling of 117355749 in words is "one hundred seventeen million, three hundred fifty-five thousand, seven hundred forty-nine".