68503710 has 64 divisors (see below), whose sum is σ = 189921024. Its totient is φ = 15628800.

The previous prime is 68503703. The next prime is 68503723. The reversal of 68503710 is 1730586.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 496 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (2967516).

Almost surely, 2^68503710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68503710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94960512).

68503710 is an abundant number, since it is smaller than the sum of its proper divisors (121417314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68503710 is a wasteful number, since it uses less digits than its factorization.

68503710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 68503710 is about 8276.6968048854. The cubic root of 68503710 is about 409.1708605576.

The spelling of 68503710 in words is "sixty-eight million, five hundred three thousand, seven hundred ten".