68265140 has 12 divisors (see below), whose sum is σ = 143356836. Its totient is φ = 27306048.

The previous prime is 68265139. The next prime is 68265163. The reversal of 68265140 is 4156286.

It can be written as a sum of positive squares in 2 ways, for example, as 37039396 + 31225744 = 6086^2 + 5588^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68265097 and 68265106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706609 + ... + 1706648.

It is an arithmetic number, because the mean of its divisors is an integer number (11946403).

Almost surely, 2^68265140 is an apocalyptic number.

It is an amenable number.

68265140 is an abundant number, since it is smaller than the sum of its proper divisors (75091696).

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

68265140 is a wasteful number, since it uses less digits than its factorization.

68265140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413266 (or 3413264 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 68265140 is about 8262.2720846024. The cubic root of 68265140 is about 408.6953173084.

The spelling of 68265140 in words is "sixty-eight million, two hundred sixty-five thousand, one hundred forty".