109308772 has 12 divisors (see below), whose sum is σ = 197886780. Its totient is φ = 52769696.

The previous prime is 109308707. The next prime is 109308779. The reversal of 109308772 is 277803901.

It can be written as a sum of positive squares in 2 ways, for example, as 34762816 + 74545956 = 5896^2 + 8634^2 .

It is a super-2 number, since 2×109308772² = 23896815272295968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109308779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471043 + ... + 471274.

It is an arithmetic number, because the mean of its divisors is an integer number (16490565).

Almost surely, 2^109308772 is an apocalyptic number.

It is an amenable number.

109308772 is a deficient number, since it is larger than the sum of its proper divisors (88578008).

109308772 is a wasteful number, since it uses less digits than its factorization.

109308772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942350 (or 942348 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 109308772 is about 10455.0835482075. The cubic root of 109308772 is about 478.1362507897.

The spelling of 109308772 in words is "one hundred nine million, three hundred eight thousand, seven hundred seventy-two".