117740015 has 16 divisors (see below), whose sum is σ = 146436096. Its totient is φ = 90784800.

The previous prime is 117740009. The next prime is 117740027. The reversal of 117740015 is 510047711.

It is a de Polignac number, because none of the positive numbers 2^k-117740015 is a prime.

It is a super-2 number, since 2×117740015² = 27725422264400450, which contains 22 as substring.

It is a Duffinian number.

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, 40604 + ... + 43406.

It is an arithmetic number, because the mean of its divisors is an integer number (9152256).

Almost surely, 2^117740015 is an apocalyptic number.

117740015 is a deficient number, since it is larger than the sum of its proper divisors (28696081).

117740015 is a wasteful number, since it uses less digits than its factorization.

117740015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 117740015 is about 10850.8071128373. The cubic root of 117740015 is about 490.1263245035.

Adding to 117740015 its reverse (510047711), we get a palindrome (627787726).

The spelling of 117740015 in words is "one hundred seventeen million, seven hundred forty thousand, fifteen".