109472749 has 8 divisors (see below), whose sum is σ = 114437120. Its totient is φ = 104598000.

The previous prime is 109472743. The next prime is 109472773. The reversal of 109472749 is 947274901.

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

It is a cyclic number.

It is not a de Polignac number, because 109472749 - 2²³ = 101084141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109472743) 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, 19902 + ... + 24799.

It is an arithmetic number, because the mean of its divisors is an integer number (14304640).

Almost surely, 2^109472749 is an apocalyptic number.

It is an amenable number.

109472749 is a deficient number, since it is larger than the sum of its proper divisors (4964371).

109472749 is an equidigital number, since it uses as much as digits as its factorization.

109472749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44811.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 109472749 is about 10462.9225840584. The cubic root of 109472749 is about 478.3752196428.

The spelling of 109472749 in words is "one hundred nine million, four hundred seventy-two thousand, seven hundred forty-nine".