68948842 has 4 divisors (see below), whose sum is σ = 103423266. Its totient is φ = 34474420.

The previous prime is 68948833. The next prime is 68948851. The reversal of 68948842 is 24884986.

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

It is an interprime number because it is at equal distance from previous prime (68948833) and next prime (68948851).

It can be written as a sum of positive squares in only one way, i.e., 64016001 + 4932841 = 8001^2 + 2221^2 .

It is a super-3 number, since 3×68948842³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17237209 + ... + 17237212.

Almost surely, 2^68948842 is an apocalyptic number.

68948842 is a deficient number, since it is larger than the sum of its proper divisors (34474424).

68948842 is a wasteful number, since it uses less digits than its factorization.

68948842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34474423.

The product of its digits is 884736, while the sum is 49.

The square root of 68948842 is about 8303.5439421972. The cubic root of 68948842 is about 410.0552017683.

The spelling of 68948842 in words is "sixty-eight million, nine hundred forty-eight thousand, eight hundred forty-two".