117621794 has 4 divisors (see below), whose sum is σ = 176432694. Its totient is φ = 58810896.

The previous prime is 117621773. The next prime is 117621797. The reversal of 117621794 is 497126711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104755225 + 12866569 = 10235^2 + 3587^2 .

It is not an unprimeable number, because it can be changed into a prime (117621797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29405447 + ... + 29405450.

Almost surely, 2^117621794 is an apocalyptic number.

117621794 is a deficient number, since it is larger than the sum of its proper divisors (58810900).

117621794 is an equidigital number, since it uses as much as digits as its factorization.

117621794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58810899.

The product of its digits is 21168, while the sum is 38.

The square root of 117621794 is about 10845.3581775799. The cubic root of 117621794 is about 489.9622267147.

The spelling of 117621794 in words is "one hundred seventeen million, six hundred twenty-one thousand, seven hundred ninety-four".