68490626 has 16 divisors (see below), whose sum is σ = 106065600. Its totient is φ = 33145200.

The previous prime is 68490613. The next prime is 68490629. The reversal of 68490626 is 62609486.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68490629) 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, 12401 + ... + 17051.

It is an arithmetic number, because the mean of its divisors is an integer number (6629100).

Almost surely, 2^68490626 is an apocalyptic number.

68490626 is a deficient number, since it is larger than the sum of its proper divisors (37574974).

68490626 is a wasteful number, since it uses less digits than its factorization.

68490626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 68490626 is about 8275.9063551976. The cubic root of 68490626 is about 409.1448087695.

The spelling of 68490626 in words is "sixty-eight million, four hundred ninety thousand, six hundred twenty-six".