68071758 has 16 divisors (see below), whose sum is σ = 140838480. Its totient is φ = 21908096.

The previous prime is 68071727. The next prime is 68071771. The reversal of 68071758 is 85717086.

It is a super-3 number, since 3×68071758³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195435 + ... + 195782.

It is an arithmetic number, because the mean of its divisors is an integer number (8802405).

Almost surely, 2^68071758 is an apocalyptic number.

68071758 is an abundant number, since it is smaller than the sum of its proper divisors (72766722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68071758 is a wasteful number, since it uses less digits than its factorization.

68071758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391251.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 68071758 is about 8250.5610718302. The cubic root of 68071758 is about 408.3090339374.

The spelling of 68071758 in words is "sixty-eight million, seventy-one thousand, seven hundred fifty-eight".