7673443445 has 4 divisors (see below), whose sum is σ = 9208132140. Its totient is φ = 6138754752.

The previous prime is 7673443441. The next prime is 7673443457. The reversal of 7673443445 is 5443443767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5443443767 = 10889 ⋅499903.

It can be written as a sum of positive squares in 2 ways, for example, as 1343808964 + 6329634481 = 36658^2 + 79559^2 .

It is a cyclic number.

It is not a de Polignac number, because 7673443445 - 2² = 7673443441 is a prime.

It is a super-2 number, since 2×7673443445² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7673443445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7673443441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767344340 + ... + 767344349.

It is an arithmetic number, because the mean of its divisors is an integer number (2302033035).

Almost surely, 2^7673443445 is an apocalyptic number.

It is an amenable number.

7673443445 is a deficient number, since it is larger than the sum of its proper divisors (1534688695).

7673443445 is a wasteful number, since it uses less digits than its factorization.

7673443445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534688694.

The product of its digits is 3386880, while the sum is 47.

The square root of 7673443445 is about 87598.1931605898. The cubic root of 7673443445 is about 1972.4080463119.

The spelling of 7673443445 in words is "seven billion, six hundred seventy-three million, four hundred forty-three thousand, four hundred forty-five".