39073442 has 4 divisors (see below), whose sum is σ = 58610166. Its totient is φ = 19536720.

The previous prime is 39073439. The next prime is 39073453. The reversal of 39073442 is 24437093.

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

It can be written as a sum of positive squares in only one way, i.e., 25816561 + 13256881 = 5081^2 + 3641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39073399 and 39073408.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9768359 + ... + 9768362.

Almost surely, 2^39073442 is an apocalyptic number.

39073442 is a deficient number, since it is larger than the sum of its proper divisors (19536724).

39073442 is a wasteful number, since it uses less digits than its factorization.

39073442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19536723.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 39073442 is about 6250.8752987082. The cubic root of 39073442 is about 339.3338803514. Note that the first 3 decimals are identical.

The spelling of 39073442 in words is "thirty-nine million, seventy-three thousand, four hundred forty-two".