68203460 has 24 divisors (see below), whose sum is σ = 154245336. Its totient is φ = 25182720.

The previous prime is 68203453. The next prime is 68203481. The reversal of 68203460 is 6430286.

It can be written as a sum of positive squares in 4 ways, for example, as 5982916 + 62220544 = 2446^2 + 7888^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130901 + ... + 131420.

It is an arithmetic number, because the mean of its divisors is an integer number (6426889).

Almost surely, 2^68203460 is an apocalyptic number.

It is an amenable number.

68203460 is an abundant number, since it is smaller than the sum of its proper divisors (86041876).

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

68203460 is a wasteful number, since it uses less digits than its factorization.

68203460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262343 (or 262341 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 68203460 is about 8258.5386116431. The cubic root of 68203460 is about 408.5721899299.

The spelling of 68203460 in words is "sixty-eight million, two hundred three thousand, four hundred sixty".