68311370 has 16 divisors (see below), whose sum is σ = 123163848. Its totient is φ = 27279360.

The previous prime is 68311349. The next prime is 68311417. The reversal of 68311370 is 7311386.

It can be written as a sum of positive squares in 4 ways, for example, as 52287361 + 16024009 = 7231^2 + 4003^2 .

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, 1082 + ... + 11738.

Almost surely, 2^68311370 is an apocalyptic number.

68311370 is a deficient number, since it is larger than the sum of its proper divisors (54852478).

68311370 is a wasteful number, since it uses less digits than its factorization.

68311370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11305.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 68311370 is about 8265.0692677073. The cubic root of 68311370 is about 408.7875543371.

The spelling of 68311370 in words is "sixty-eight million, three hundred eleven thousand, three hundred seventy".