117621733 has 2 divisors, whose sum is σ = 117621734. Its totient is φ = 117621732.

The previous prime is 117621677. The next prime is 117621773. The reversal of 117621733 is 337126711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 54863649 = 7922^2 + 7407^2 .

It is a cyclic number.

It is not a de Polignac number, because 117621733 - 2²⁵ = 84067301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117621695 and 117621704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117621773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58810866 + 58810867.

It is an arithmetic number, because the mean of its divisors is an integer number (58810867).

Almost surely, 2^117621733 is an apocalyptic number.

It is an amenable number.

117621733 is a deficient number, since it is larger than the sum of its proper divisors (1).

117621733 is an equidigital number, since it uses as much as digits as its factorization.

117621733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 31.

The square root of 117621733 is about 10845.3553653165. The cubic root of 117621733 is about 489.9621420147.

The spelling of 117621733 in words is "one hundred seventeen million, six hundred twenty-one thousand, seven hundred thirty-three".