103729320 has 48 divisors (see below), whose sum is σ = 337121460. Its totient is φ = 27661056.

The previous prime is 103729313. The next prime is 103729349. The reversal of 103729320 is 23927301.

It can be written as a sum of positive squares in 2 ways, for example, as 96471684 + 7257636 = 9822^2 + 2694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143709 + ... + 144428.

Almost surely, 2^103729320 is an apocalyptic number.

103729320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103729320 is an abundant number, since it is smaller than the sum of its proper divisors (233392140).

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

103729320 is a wasteful number, since it uses less digits than its factorization.

103729320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288154 (or 288147 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 103729320 is about 10184.7592018663. The cubic root of 103729320 is about 469.8585963632.

The spelling of 103729320 in words is "one hundred three million, seven hundred twenty-nine thousand, three hundred twenty".