39073973 has 4 divisors (see below), whose sum is σ = 41372460. Its totient is φ = 36775488.

The previous prime is 39073921. The next prime is 39073997. The reversal of 39073973 is 37937093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11437924 + 27636049 = 3382^2 + 5257^2 .

It is not a de Polignac number, because 39073973 - 2¹⁴ = 39057589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39073973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39073913) 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, 1149218 + ... + 1149251.

It is an arithmetic number, because the mean of its divisors is an integer number (10343115).

Almost surely, 2^39073973 is an apocalyptic number.

It is an amenable number.

39073973 is a deficient number, since it is larger than the sum of its proper divisors (2298487).

39073973 is a wasteful number, since it uses less digits than its factorization.

39073973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298486.

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 39073973 is about 6250.9177726155. The cubic root of 39073973 is about 339.3354175036.

The spelling of 39073973 in words is "thirty-nine million, seventy-three thousand, nine hundred seventy-three".