109742280 has 32 divisors (see below), whose sum is σ = 329227200. Its totient is φ = 29264576.

The previous prime is 109742279. The next prime is 109742299. The reversal of 109742280 is 82247901.

It is a happy 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, 457140 + ... + 457379.

It is an arithmetic number, because the mean of its divisors is an integer number (10288350).

Almost surely, 2^109742280 is an apocalyptic number.

109742280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109742280 is an abundant number, since it is smaller than the sum of its proper divisors (219484920).

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

109742280 is a wasteful number, since it uses less digits than its factorization.

109742280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914533 (or 914529 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 109742280 is about 10475.7949579018. The cubic root of 109742280 is about 478.7674977187.

The spelling of 109742280 in words is "one hundred nine million, seven hundred forty-two thousand, two hundred eighty".