7049945 has 16 divisors (see below), whose sum is σ = 9808128. Its totient is φ = 4764480.

The previous prime is 7049921. The next prime is 7049947. The reversal of 7049945 is 5499407.

It is not a de Polignac number, because 7049945 - 2¹² = 7045849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7049899 and 7049908.

It is not an unprimeable number, because it can be changed into a prime (7049947) 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 15 ways as a sum of consecutive naturals, for example, 1067 + ... + 3903.

It is an arithmetic number, because the mean of its divisors is an integer number (613008).

Almost surely, 2^7049945 is an apocalyptic number.

It is an amenable number.

7049945 is a deficient number, since it is larger than the sum of its proper divisors (2758183).

7049945 is a wasteful number, since it uses less digits than its factorization.

7049945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 7049945 is about 2655.1732523510. The cubic root of 7049945 is about 191.7469993020.

The spelling of 7049945 in words is "seven million, forty-nine thousand, nine hundred forty-five".