68981410 has 24 divisors (see below), whose sum is σ = 131905620. Its totient is φ = 25968384.

The previous prime is 68981389. The next prime is 68981449. The reversal of 68981410 is 1418986.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 58018689 + 10962721 = 7617^2 + 3311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68981410.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9045 + ... + 14824.

Almost surely, 2^68981410 is an apocalyptic number.

68981410 is a deficient number, since it is larger than the sum of its proper divisors (62924210).

68981410 is a wasteful number, since it uses less digits than its factorization.

68981410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23910 (or 23893 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 68981410 is about 8305.5048010341. The cubic root of 68981410 is about 410.1197548257.

The spelling of 68981410 in words is "sixty-eight million, nine hundred eighty-one thousand, four hundred ten".