39073345 has 4 divisors (see below), whose sum is σ = 46888020. Its totient is φ = 31258672.

The previous prime is 39073337. The next prime is 39073351. The reversal of 39073345 is 54337093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54337093 = 19 ⋅2859847.

It can be written as a sum of positive squares in 2 ways, for example, as 18931201 + 20142144 = 4351^2 + 4488^2 .

It is a cyclic number.

It is not a de Polignac number, because 39073345 - 2³ = 39073337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39073345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907330 + ... + 3907339.

It is an arithmetic number, because the mean of its divisors is an integer number (11722005).

Almost surely, 2^39073345 is an apocalyptic number.

It is an amenable number.

39073345 is a deficient number, since it is larger than the sum of its proper divisors (7814675).

39073345 is an equidigital number, since it uses as much as digits as its factorization.

39073345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814674.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 39073345 is about 6250.8675397900. The cubic root of 39073345 is about 339.3335995519. Note that the first 3 decimals are identical.

The spelling of 39073345 in words is "thirty-nine million, seventy-three thousand, three hundred forty-five".