68737330 has 16 divisors (see below), whose sum is σ = 124262424. Its totient is φ = 27376000.

The previous prime is 68737321. The next prime is 68737351. The reversal of 68737330 is 3373786.

It can be written as a sum of positive squares in 4 ways, for example, as 41873841 + 26863489 = 6471^2 + 5183^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68737330.

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 7 ways as a sum of consecutive naturals, for example, 12421 + ... + 17080.

Almost surely, 2^68737330 is an apocalyptic number.

68737330 is a deficient number, since it is larger than the sum of its proper divisors (55525094).

68737330 is a wasteful number, since it uses less digits than its factorization.

68737330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29741.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 68737330 is about 8290.7979109372. The cubic root of 68737330 is about 409.6354681773.

The spelling of 68737330 in words is "sixty-eight million, seven hundred thirty-seven thousand, three hundred thirty".