7061605 has 4 divisors (see below), whose sum is σ = 8473932. Its totient is φ = 5649280.

The previous prime is 7061603. The next prime is 7061627. The reversal of 7061605 is 5061607.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1520289 + 5541316 = 1233^2 + 2354^2 .

It is not a de Polignac number, because 7061605 - 2¹ = 7061603 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7061605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061603) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 706156 + ... + 706165.

It is an arithmetic number, because the mean of its divisors is an integer number (2118483).

Almost surely, 2^7061605 is an apocalyptic number.

It is an amenable number.

7061605 is a deficient number, since it is larger than the sum of its proper divisors (1412327).

7061605 is a wasteful number, since it uses less digits than its factorization.

7061605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412326.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 7061605 is about 2657.3680588131. The cubic root of 7061605 is about 191.8526520673.

The spelling of 7061605 in words is "seven million, sixty-one thousand, six hundred five".