117073321 has 4 divisors (see below), whose sum is σ = 118820752. Its totient is φ = 115325892.

The previous prime is 117073223. The next prime is 117073331. The reversal of 117073321 is 123370711.

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 117073321 - 2¹⁷ = 116942249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117073331) 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, 873615 + ... + 873748.

It is an arithmetic number, because the mean of its divisors is an integer number (29705188).

Almost surely, 2^117073321 is an apocalyptic number.

It is an amenable number.

117073321 is a deficient number, since it is larger than the sum of its proper divisors (1747431).

117073321 is an equidigital number, since it uses as much as digits as its factorization.

117073321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747430.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 117073321 is about 10820.0425599902. The cubic root of 117073321 is about 489.1994717063.

The spelling of 117073321 in words is "one hundred seventeen million, seventy-three thousand, three hundred twenty-one".