117204072 has 16 divisors (see below), whose sum is σ = 293010240. Its totient is φ = 39068016.

The previous prime is 117204071. The next prime is 117204077. The reversal of 117204072 is 270402711.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 4883503 = 117204072 / (1 + 1 + 7 + 2 + 0 + 4 + 0 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (117204071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441728 + ... + 2441775.

It is an arithmetic number, because the mean of its divisors is an integer number (18313140).

Almost surely, 2^117204072 is an apocalyptic number.

117204072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117204072 is an abundant number, since it is smaller than the sum of its proper divisors (175806168).

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

117204072 is a wasteful number, since it uses less digits than its factorization.

117204072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883512 (or 4883508 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 117204072 is about 10826.0829481396. The cubic root of 117204072 is about 489.3815215029.

Adding to 117204072 its reverse (270402711), we get a palindrome (387606783).

The spelling of 117204072 in words is "one hundred seventeen million, two hundred four thousand, seventy-two".