94018642 has 4 divisors (see below), whose sum is σ = 141027966. Its totient is φ = 47009320.

The previous prime is 94018607. The next prime is 94018651. The reversal of 94018642 is 24681049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24681049 = 1637 ⋅15077.

It can be written as a sum of positive squares in only one way, i.e., 91795561 + 2223081 = 9581^2 + 1491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 94018598 and 94018607.

It is an unprimeable number.

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, 23504659 + ... + 23504662.

Almost surely, 2^94018642 is an apocalyptic number.

94018642 is a deficient number, since it is larger than the sum of its proper divisors (47009324).

94018642 is a wasteful number, since it uses less digits than its factorization.

94018642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47009323.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 94018642 is about 9696.3210549156. The cubic root of 94018642 is about 454.7136498787.

The spelling of 94018642 in words is "ninety-four million, eighteen thousand, six hundred forty-two".