109774491 has 16 divisors (see below), whose sum is σ = 155447424. Its totient is φ = 68668544.

The previous prime is 109774481. The next prime is 109774493. The reversal of 109774491 is 194477901.

It is a cyclic number.

It is not a de Polignac number, because 109774491 - 2⁷ = 109774363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109774493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14596 + ... + 20798.

It is an arithmetic number, because the mean of its divisors is an integer number (9715464).

Almost surely, 2^109774491 is an apocalyptic number.

109774491 is a deficient number, since it is larger than the sum of its proper divisors (45672933).

109774491 is a wasteful number, since it uses less digits than its factorization.

109774491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 109774491 is about 10477.3322463306. The cubic root of 109774491 is about 478.8143349428.

The spelling of 109774491 in words is "one hundred nine million, seven hundred seventy-four thousand, four hundred ninety-one".