68773665 has 32 divisors (see below), whose sum is σ = 112484736. Its totient is φ = 35873280.

The previous prime is 68773651. The next prime is 68773697. The reversal of 68773665 is 56637786.

It is not a de Polignac number, because 68773665 - 2⁵ = 68773633 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 198022 + ... + 198368.

It is an arithmetic number, because the mean of its divisors is an integer number (3515148).

Almost surely, 2^68773665 is an apocalyptic number.

It is an amenable number.

68773665 is a deficient number, since it is larger than the sum of its proper divisors (43711071).

68773665 is a wasteful number, since it uses less digits than its factorization.

68773665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 1270080, while the sum is 48.

The square root of 68773665 is about 8292.9889062991. The cubic root of 68773665 is about 409.7076341211.

The spelling of 68773665 in words is "sixty-eight million, seven hundred seventy-three thousand, six hundred sixty-five".