109473642 has 48 divisors (see below), whose sum is σ = 252113472. Its totient is φ = 34212480.

The previous prime is 109473631. The next prime is 109473667. The reversal of 109473642 is 246374901.

109473642 is a `hidden beast` number, since 1 + 0 + 9 + 4 + 7 + 3 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 109473597 and 109473606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105667 + ... + 106697.

It is an arithmetic number, because the mean of its divisors is an integer number (5252364).

Almost surely, 2^109473642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109473642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126056736).

109473642 is an abundant number, since it is smaller than the sum of its proper divisors (142639830).

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

109473642 is a wasteful number, since it uses less digits than its factorization.

109473642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 109473642 is about 10462.9652584724. The cubic root of 109473642 is about 478.3765203864.

The spelling of 109473642 in words is "one hundred nine million, four hundred seventy-three thousand, six hundred forty-two".