7039642 has 4 divisors (see below), whose sum is σ = 10559466. Its totient is φ = 3519820.

The previous prime is 7039607. The next prime is 7039667. The reversal of 7039642 is 2469307.

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., 5294601 + 1745041 = 2301^2 + 1321^2 .

It is a super-3 number, since 3×7039642³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1759909 + ... + 1759912.

Almost surely, 2^7039642 is an apocalyptic number.

7039642 is a deficient number, since it is larger than the sum of its proper divisors (3519824).

7039642 is a wasteful number, since it uses less digits than its factorization.

7039642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519823.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 7039642 is about 2653.2323682633. The cubic root of 7039642 is about 191.6535454996.

The spelling of 7039642 in words is "seven million, thirty-nine thousand, six hundred forty-two".