39073321 has 8 divisors (see below), whose sum is σ = 45221120. Its totient is φ = 33067008.

The previous prime is 39073301. The next prime is 39073337. The reversal of 39073321 is 12337093.

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

It is a 4-Lehmer number, since φ(39073321) divides (39073321-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 39073321 - 2⁷ = 39073193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39073321.

It is not an unprimeable number, because it can be changed into a prime (39073301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34776 + ... + 35881.

It is an arithmetic number, because the mean of its divisors is an integer number (5652640).

Almost surely, 2^39073321 is an apocalyptic number.

It is an amenable number.

39073321 is a deficient number, since it is larger than the sum of its proper divisors (6147799).

39073321 is an equidigital number, since it uses as much as digits as its factorization.

39073321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70743.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 39073321 is about 6250.8656200562. The cubic root of 39073321 is about 339.3335300756. Note that the first 3 decimals are identical.

The spelling of 39073321 in words is "thirty-nine million, seventy-three thousand, three hundred twenty-one".