7061620 has 12 divisors (see below), whose sum is σ = 14829444. Its totient is φ = 2824640.

The previous prime is 7061603. The next prime is 7061627. The reversal of 7061620 is 261607.

It can be written as a sum of positive squares in 2 ways, for example, as 3579664 + 3481956 = 1892^2 + 1866^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7061591 and 7061600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061627) 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, 176521 + ... + 176560.

It is an arithmetic number, because the mean of its divisors is an integer number (1235787).

Almost surely, 2^7061620 is an apocalyptic number.

It is an amenable number.

7061620 is an abundant number, since it is smaller than the sum of its proper divisors (7767824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7061620 is a wasteful number, since it uses less digits than its factorization.

7061620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353090 (or 353088 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7061620 is about 2657.3708811530. The cubic root of 7061620 is about 191.8527879093.

The spelling of 7061620 in words is "seven million, sixty-one thousand, six hundred twenty".