7646425 has 6 divisors (see below), whose sum is σ = 9481598. Its totient is φ = 6117120.

The previous prime is 7646423. The next prime is 7646437. The reversal of 7646425 is 5246467.

It can be written as a sum of positive squares in 3 ways, for example, as 565504 + 7080921 = 752^2 + 2661^2 .

It is not a de Polignac number, because 7646425 - 2¹ = 7646423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7646423) 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 5 ways as a sum of consecutive naturals, for example, 152904 + ... + 152953.

Almost surely, 2^7646425 is an apocalyptic number.

It is an amenable number.

7646425 is a deficient number, since it is larger than the sum of its proper divisors (1835173).

7646425 is a wasteful number, since it uses less digits than its factorization.

7646425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305867 (or 305862 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 7646425 is about 2765.2169896773. The cubic root of 7646425 is about 197.0090352904.

The spelling of 7646425 in words is "seven million, six hundred forty-six thousand, four hundred twenty-five".