7066549 has 4 divisors (see below), whose sum is σ = 8076064. Its totient is φ = 6057036.

The previous prime is 7066541. The next prime is 7066561. The reversal of 7066549 is 9456607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9456607 = 17 ⋅556271.

It is a cyclic number.

It is not a de Polignac number, because 7066549 - 2³ = 7066541 is a prime.

It is a super-2 number, since 2×7066549² = 99872229538802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7066541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504747 + ... + 504760.

It is an arithmetic number, because the mean of its divisors is an integer number (2019016).

Almost surely, 2^7066549 is an apocalyptic number.

It is an amenable number.

7066549 is a deficient number, since it is larger than the sum of its proper divisors (1009515).

7066549 is a wasteful number, since it uses less digits than its factorization.

7066549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009514.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 7066549 is about 2658.2981397879. The cubic root of 7066549 is about 191.8974151789.

The spelling of 7066549 in words is "seven million, sixty-six thousand, five hundred forty-nine".