68342770 has 8 divisors (see below), whose sum is σ = 123017004. Its totient is φ = 27337104.

The previous prime is 68342759. The next prime is 68342783. The reversal of 68342770 is 7724386.

It can be written as a sum of positive squares in 2 ways, for example, as 59892121 + 8450649 = 7739^2 + 2907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68342770² = 9341468422545800, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 3417129 + ... + 3417148.

Almost surely, 2^68342770 is an apocalyptic number.

68342770 is a deficient number, since it is larger than the sum of its proper divisors (54674234).

68342770 is a wasteful number, since it uses less digits than its factorization.

68342770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834284.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 68342770 is about 8266.9686100771. The cubic root of 68342770 is about 408.8501791632.

It can be divided in two parts, 6834 and 2770, that added together give a square (9604 = 98²).

The spelling of 68342770 in words is "sixty-eight million, three hundred forty-two thousand, seven hundred seventy".