109640370 has 64 divisors (see below), whose sum is σ = 303169536. Its totient is φ = 24857280.

The previous prime is 109640369. The next prime is 109640383. The reversal of 109640370 is 73046901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24615 + ... + 28725.

It is an arithmetic number, because the mean of its divisors is an integer number (4737024).

Almost surely, 2^109640370 is an apocalyptic number.

109640370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109640370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151584768).

109640370 is an abundant number, since it is smaller than the sum of its proper divisors (193529166).

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

109640370 is a wasteful number, since it uses less digits than its factorization.

109640370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 109640370 is about 10470.9297581447. The cubic root of 109640370 is about 478.6192524952.

The spelling of 109640370 in words is "one hundred nine million, six hundred forty thousand, three hundred seventy".