7544676645 has 48 divisors (see below), whose sum is σ = 14569880832. Its totient is φ = 3580183680.

The previous prime is 7544676641. The next prime is 7544676649. The reversal of 7544676645 is 5466764457.

7544676645 is a `hidden beast` number, since 75 + 446 + 76 + 64 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (7544676641) and next prime (7544676649).

It is not a de Polignac number, because 7544676645 - 2² = 7544676641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7544676591 and 7544676600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7544676641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138882 + ... + 185411.

It is an arithmetic number, because the mean of its divisors is an integer number (303539184).

Almost surely, 2^7544676645 is an apocalyptic number.

It is an amenable number.

7544676645 is a deficient number, since it is larger than the sum of its proper divisors (7025204187).

7544676645 is a wasteful number, since it uses less digits than its factorization.

7544676645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324362 (or 324359 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The square root of 7544676645 is about 86860.0981176052. The cubic root of 7544676645 is about 1961.3128651154.

The spelling of 7544676645 in words is "seven billion, five hundred forty-four million, six hundred seventy-six thousand, six hundred forty-five".