68468502 has 16 divisors (see below), whose sum is σ = 137057472. Its totient is φ = 22802760.

The previous prime is 68468489. The next prime is 68468509. The reversal of 68468502 is 20586486.

It is a super-2 number, since 2×68468502² = 9375871532248008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68468509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477 + ... + 12207.

It is an arithmetic number, because the mean of its divisors is an integer number (8566092).

Almost surely, 2^68468502 is an apocalyptic number.

68468502 is an abundant number, since it is smaller than the sum of its proper divisors (68588970).

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

68468502 is a wasteful number, since it uses less digits than its factorization.

68468502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 68468502 is about 8274.5695960575. The cubic root of 68468502 is about 409.1007497251.

The spelling of 68468502 in words is "sixty-eight million, four hundred sixty-eight thousand, five hundred two".