117389473 has 4 divisors (see below), whose sum is σ = 118803888. Its totient is φ = 115975060.

The previous prime is 117389449. The next prime is 117389491. The reversal of 117389473 is 374983711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117389473 - 2²¹ = 115292321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117389443) 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, 707083 + ... + 707248.

It is an arithmetic number, because the mean of its divisors is an integer number (29700972).

Almost surely, 2^117389473 is an apocalyptic number.

It is an amenable number.

117389473 is a deficient number, since it is larger than the sum of its proper divisors (1414415).

117389473 is an equidigital number, since it uses as much as digits as its factorization.

117389473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414414.

The product of its digits is 127008, while the sum is 43.

The square root of 117389473 is about 10834.6422645143. The cubic root of 117389473 is about 489.6394306981.

The spelling of 117389473 in words is "one hundred seventeen million, three hundred eighty-nine thousand, four hundred seventy-three".