109273473 has 12 divisors (see below), whose sum is σ = 160063488. Its totient is φ = 71822520.

The previous prime is 109273459. The next prime is 109273531. The reversal of 109273473 is 374372901.

It is not a de Polignac number, because 109273473 - 2⁴ = 109273457 is a prime.

It is a super-4 number, since 4×109273473⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (109273873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84865 + ... + 86142.

It is an arithmetic number, because the mean of its divisors is an integer number (13338624).

Almost surely, 2^109273473 is an apocalyptic number.

It is an amenable number.

109273473 is a deficient number, since it is larger than the sum of its proper divisors (50790015).

109273473 is a wasteful number, since it uses less digits than its factorization.

109273473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171084 (or 171081 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 109273473 is about 10453.3952857433. The cubic root of 109273473 is about 478.0847771879.

It can be divided in two parts, 109273 and 473, that added together give a triangular number (109746 = T₄₆₈).

The spelling of 109273473 in words is "one hundred nine million, two hundred seventy-three thousand, four hundred seventy-three".