7961445 has 12 divisors (see below), whose sum is σ = 13799916. Its totient is φ = 4246080.

The previous prime is 7961441. The next prime is 7961449. The reversal of 7961445 is 5441697.

It is an interprime number because it is at equal distance from previous prime (7961441) and next prime (7961449).

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 4524129 = 1854^2 + 2127^2 .

It is not a de Polignac number, because 7961445 - 2² = 7961441 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7961441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88416 + ... + 88505.

It is an arithmetic number, because the mean of its divisors is an integer number (1149993).

Almost surely, 2^7961445 is an apocalyptic number.

It is an amenable number.

7961445 is a deficient number, since it is larger than the sum of its proper divisors (5838471).

7961445 is a wasteful number, since it uses less digits than its factorization.

7961445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176932 (or 176929 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7961445 is about 2821.6032676477. The cubic root of 7961445 is about 199.6781908053.

The spelling of 7961445 in words is "seven million, nine hundred sixty-one thousand, four hundred forty-five".