39345973 has 8 divisors (see below), whose sum is σ = 41776128. Its totient is φ = 36928704.

The previous prime is 39345959. The next prime is 39345991. The reversal of 39345973 is 37954393.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39345973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39346973) 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, 3490 + ... + 9532.

It is an arithmetic number, because the mean of its divisors is an integer number (5222016).

Almost surely, 2^39345973 is an apocalyptic number.

It is an amenable number.

39345973 is a deficient number, since it is larger than the sum of its proper divisors (2430155).

39345973 is a wasteful number, since it uses less digits than its factorization.

39345973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443.

The product of its digits is 306180, while the sum is 43.

The square root of 39345973 is about 6272.6368458568. The cubic root of 39345973 is about 340.1209863546.

The spelling of 39345973 in words is "thirty-nine million, three hundred forty-five thousand, nine hundred seventy-three".