117527745 has 16 divisors (see below), whose sum is σ = 188312832. Its totient is φ = 62592000.

The previous prime is 117527743. The next prime is 117527759. The reversal of 117527745 is 547725711.

It is a happy number.

It is not a de Polignac number, because 117527745 - 2¹ = 117527743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117527743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6049 + ... + 16481.

It is an arithmetic number, because the mean of its divisors is an integer number (11769552).

Almost surely, 2^117527745 is an apocalyptic number.

117527745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117527745 is a deficient number, since it is larger than the sum of its proper divisors (70785087).

117527745 is a wasteful number, since it uses less digits than its factorization.

117527745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11192.

The product of its digits is 68600, while the sum is 39.

The square root of 117527745 is about 10841.0214002187. The cubic root of 117527745 is about 489.8316025530.

It can be divided in two parts, 1175 and 27745, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 117527745 in words is "one hundred seventeen million, five hundred twenty-seven thousand, seven hundred forty-five".