208073140 has 24 divisors (see below), whose sum is σ = 476677152. Its totient is φ = 75662880.

The previous prime is 208073137. The next prime is 208073153. The reversal of 208073140 is 41370802.

It is a congruent number.

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, 472674 + ... + 473113.

It is an arithmetic number, because the mean of its divisors is an integer number (19861548).

Almost surely, 2^208073140 is an apocalyptic number.

208073140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208073140 is an abundant number, since it is smaller than the sum of its proper divisors (268604012).

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

208073140 is a wasteful number, since it uses less digits than its factorization.

208073140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945807 (or 945805 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 208073140 is about 14424.7405522595. The cubic root of 208073140 is about 592.5686532874.

The spelling of 208073140 in words is "two hundred eight million, seventy-three thousand, one hundred forty".