68490010 has 16 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 27374416.

The previous prime is 68489983. The next prime is 68490017. The reversal of 68490010 is 1009486.

It is not an unprimeable number, because it can be changed into a prime (68490017) 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, 18711 + ... + 22069.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^68490010 is an apocalyptic number.

68490010 is a deficient number, since it is larger than the sum of its proper divisors (54889190).

68490010 is a wasteful number, since it uses less digits than its factorization.

68490010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 68490010 is about 8275.8691386464. The cubic root of 68490010 is about 409.1435821590.

Adding to 68490010 its reverse (1009486), we get a palindrome (69499496).

The spelling of 68490010 in words is "sixty-eight million, four hundred ninety thousand, ten".