68992670 has 16 divisors (see below), whose sum is σ = 128193408. Its totient is φ = 26706720.

The previous prime is 68992669. The next prime is 68992673. The reversal of 68992670 is 7629986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68992673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110969 + ... + 111588.

It is an arithmetic number, because the mean of its divisors is an integer number (8012088).

Almost surely, 2^68992670 is an apocalyptic number.

68992670 is a deficient number, since it is larger than the sum of its proper divisors (59200738).

68992670 is a wasteful number, since it uses less digits than its factorization.

68992670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222595.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 68992670 is about 8306.1826370481. The cubic root of 68992670 is about 410.1420685534.

The spelling of 68992670 in words is "sixty-eight million, nine hundred ninety-two thousand, six hundred seventy".