68742514 has 8 divisors (see below), whose sum is σ = 103406940. Its totient is φ = 34273536.

The previous prime is 68742473. The next prime is 68742517. The reversal of 68742514 is 41524786.

It can be written as a sum of positive squares in 2 ways, for example, as 61544025 + 7198489 = 7845^2 + 2683^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68742517) by changing a digit.

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, 47979 + ... + 49390.

Almost surely, 2^68742514 is an apocalyptic number.

68742514 is a deficient number, since it is larger than the sum of its proper divisors (34664426).

68742514 is a wasteful number, since it uses less digits than its factorization.

68742514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97724.

The product of its digits is 53760, while the sum is 37.

The square root of 68742514 is about 8291.1105408142. The cubic root of 68742514 is about 409.6457658175.

The spelling of 68742514 in words is "sixty-eight million, seven hundred forty-two thousand, five hundred fourteen".