7963445 has 24 divisors (see below), whose sum is σ = 11266944. Its totient is φ = 5292576.

The previous prime is 7963441. The next prime is 7963469. The reversal of 7963445 is 5443697.

It is not a de Polignac number, because 7963445 - 2² = 7963441 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

Its product of digits (90720) is a multiple of the sum of its prime divisors (162).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7963399 and 7963408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7963441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77264 + ... + 77366.

It is an arithmetic number, because the mean of its divisors is an integer number (469456).

Almost surely, 2^7963445 is an apocalyptic number.

It is an amenable number.

7963445 is a deficient number, since it is larger than the sum of its proper divisors (3303499).

7963445 is a wasteful number, since it uses less digits than its factorization.

7963445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 162 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 7963445 is about 2821.9576538283. The cubic root of 7963445 is about 199.6949098366.

The spelling of 7963445 in words is "seven million, nine hundred sixty-three thousand, four hundred forty-five".