109473621 has 8 divisors (see below), whose sum is σ = 146019360. Its totient is φ = 72955152.

The previous prime is 109473613. The next prime is 109473631. The reversal of 109473621 is 126374901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109473621 - 2³ = 109473613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109473631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5991 + ... + 15963.

It is an arithmetic number, because the mean of its divisors is an integer number (18252420).

Almost surely, 2^109473621 is an apocalyptic number.

It is an amenable number.

109473621 is a deficient number, since it is larger than the sum of its proper divisors (36545739).

109473621 is an equidigital number, since it uses as much as digits as its factorization.

109473621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13635.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 109473621 is about 10462.9642549327. The cubic root of 109473621 is about 478.3764897979.

The spelling of 109473621 in words is "one hundred nine million, four hundred seventy-three thousand, six hundred twenty-one".