7049639 has 4 divisors (see below), whose sum is σ = 7292760. Its totient is φ = 6806520.

The previous prime is 7049633. The next prime is 7049657. The reversal of 7049639 is 9369407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9369407 = 29 ⋅323083.

It is a cyclic number.

It is not a de Polignac number, because 7049639 - 2²⁰ = 6001063 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 (7049633) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 121517 + ... + 121574.

It is an arithmetic number, because the mean of its divisors is an integer number (1823190).

Almost surely, 2^7049639 is an apocalyptic number.

7049639 is a deficient number, since it is larger than the sum of its proper divisors (243121).

7049639 is a wasteful number, since it uses less digits than its factorization.

7049639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243120.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 7049639 is about 2655.1156283672. The cubic root of 7049639 is about 191.7442250283.

The spelling of 7049639 in words is "seven million, forty-nine thousand, six hundred thirty-nine".