117621743 has 4 divisors (see below), whose sum is σ = 120490608. Its totient is φ = 114752880.

The previous prime is 117621733. The next prime is 117621773. The reversal of 117621743 is 347126711.

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

It is a cyclic number.

It is not a de Polignac number, because 117621743 - 2¹⁰ = 117620719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117621733) 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, 1434371 + ... + 1434452.

It is an arithmetic number, because the mean of its divisors is an integer number (30122652).

Almost surely, 2^117621743 is an apocalyptic number.

117621743 is a deficient number, since it is larger than the sum of its proper divisors (2868865).

117621743 is an equidigital number, since it uses as much as digits as its factorization.

117621743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868864.

The product of its digits is 7056, while the sum is 32.

The square root of 117621743 is about 10845.3558263434. The cubic root of 117621743 is about 489.9621559000.

The spelling of 117621743 in words is "one hundred seventeen million, six hundred twenty-one thousand, seven hundred forty-three".