68652770 has 8 divisors (see below), whose sum is σ = 123575004. Its totient is φ = 27461104.

The previous prime is 68652743. The next prime is 68652781. The reversal of 68652770 is 7725686.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68178049 + 474721 = 8257^2 + 689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3432629 + ... + 3432648.

Almost surely, 2^68652770 is an apocalyptic number.

68652770 is a deficient number, since it is larger than the sum of its proper divisors (54922234).

68652770 is a wasteful number, since it uses less digits than its factorization.

68652770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865284.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 68652770 is about 8285.6967118040. The cubic root of 68652770 is about 409.4674227159.

The spelling of 68652770 in words is "sixty-eight million, six hundred fifty-two thousand, seven hundred seventy".