68073746 has 32 divisors (see below), whose sum is σ = 117110448. Its totient is φ = 29399040.

The previous prime is 68073703. The next prime is 68073769. The reversal of 68073746 is 64737086.

It can be written as a sum of positive squares in 8 ways, for example, as 30680521 + 37393225 = 5539^2 + 6115^2 .

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 102656 + ... + 103316.

Almost surely, 2^68073746 is an apocalyptic number.

68073746 is a deficient number, since it is larger than the sum of its proper divisors (49036702).

68073746 is a wasteful number, since it uses less digits than its factorization.

68073746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 68073746 is about 8250.6815476056. The cubic root of 68073746 is about 408.3130087158.

The spelling of 68073746 in words is "sixty-eight million, seventy-three thousand, seven hundred forty-six".