117676737 has 18 divisors (see below), whose sum is σ = 180181638. Its totient is φ = 73752192.

The previous prime is 117676733. The next prime is 117676753. The reversal of 117676737 is 737676711.

It can be written as a sum of positive squares in 3 ways, for example, as 74235456 + 43441281 = 8616^2 + 6591^2 .

It is not a de Polignac number, because 117676737 - 2² = 117676733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117676692 and 117676701.

It is not an unprimeable number, because it can be changed into a prime (117676733) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 133743 + ... + 134619.

It is an arithmetic number, because the mean of its divisors is an integer number (10010091).

Almost surely, 2^117676737 is an apocalyptic number.

117676737 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117676737 is a deficient number, since it is larger than the sum of its proper divisors (62504901).

117676737 is an frugal number, since it uses more digits than its factorization.

117676737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 897 counting only the distinct ones).

The product of its digits is 259308, while the sum is 45.

The square root of 117676737 is about 10847.8909010001. The cubic root of 117676737 is about 490.0385045405.

The spelling of 117676737 in words is "one hundred seventeen million, six hundred seventy-six thousand, seven hundred thirty-seven".