117064642 has 4 divisors (see below), whose sum is σ = 175596966. Its totient is φ = 58532320.

The previous prime is 117064631. The next prime is 117064667. The reversal of 117064642 is 246460711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246460711 = 7 ⋅35208673.

It can be written as a sum of positive squares in only one way, i.e., 106894921 + 10169721 = 10339^2 + 3189^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29266159 + ... + 29266162.

Almost surely, 2^117064642 is an apocalyptic number.

117064642 is a deficient number, since it is larger than the sum of its proper divisors (58532324).

117064642 is an equidigital number, since it uses as much as digits as its factorization.

117064642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58532323.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 117064642 is about 10819.6414912880. The cubic root of 117064642 is about 489.1873827946.

The spelling of 117064642 in words is "one hundred seventeen million, sixty-four thousand, six hundred forty-two".