117427493 has 2 divisors, whose sum is σ = 117427494. Its totient is φ = 117427492.

The previous prime is 117427481. The next prime is 117427511. The reversal of 117427493 is 394724711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115304644 + 2122849 = 10738^2 + 1457^2 .

It is an emirp because it is prime and its reverse (394724711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117427493 - 2⁴ = 117427477 is a prime.

It is a super-2 number, since 2×117427493² = 27578432224530098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117427423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58713746 + 58713747.

It is an arithmetic number, because the mean of its divisors is an integer number (58713747).

Almost surely, 2^117427493 is an apocalyptic number.

It is an amenable number.

117427493 is a deficient number, since it is larger than the sum of its proper divisors (1).

117427493 is an equidigital number, since it uses as much as digits as its factorization.

117427493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 117427493 is about 10836.3966797086. The cubic root of 117427493 is about 489.6922863227.

The spelling of 117427493 in words is "one hundred seventeen million, four hundred twenty-seven thousand, four hundred ninety-three".