109621474 has 8 divisors (see below), whose sum is σ = 174104748. Its totient is φ = 51586560.

The previous prime is 109621471. The next prime is 109621483. The reversal of 109621474 is 474126901.

It can be written as a sum of positive squares in 2 ways, for example, as 98109025 + 11512449 = 9905^2 + 3393^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 3224161 = 109621474 / (1 + 0 + 9 + 6 + 2 + 1 + 4 + 7 + 4).

It is not an unprimeable number, because it can be changed into a prime (109621471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612047 + ... + 1612114.

Almost surely, 2^109621474 is an apocalyptic number.

109621474 is a deficient number, since it is larger than the sum of its proper divisors (64483274).

109621474 is a wasteful number, since it uses less digits than its factorization.

109621474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224180.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 109621474 is about 10470.0274116165. The cubic root of 109621474 is about 478.5917549928.

The spelling of 109621474 in words is "one hundred nine million, six hundred twenty-one thousand, four hundred seventy-four".