39073994 has 8 divisors (see below), whose sum is σ = 61695840. Its totient is φ = 18508716.

The previous prime is 39073921. The next prime is 39073997. The reversal of 39073994 is 49937093.

It is a happy number.

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

It is a super-2 number, since 2×39073994² = 3053554014224072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39073997) 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 3 ways as a sum of consecutive naturals, for example, 514094 + ... + 514169.

It is an arithmetic number, because the mean of its divisors is an integer number (7711980).

Almost surely, 2^39073994 is an apocalyptic number.

39073994 is a deficient number, since it is larger than the sum of its proper divisors (22621846).

39073994 is a wasteful number, since it uses less digits than its factorization.

39073994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028284.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 39073994 is about 6250.9194523686. The cubic root of 39073994 is about 339.3354782946.

The spelling of 39073994 in words is "thirty-nine million, seventy-three thousand, nine hundred ninety-four".