7534506645 has 48 divisors (see below), whose sum is σ = 13197055872. Its totient is φ = 3976387200.

The previous prime is 7534506613. The next prime is 7534506647. The reversal of 7534506645 is 5466054357.

7534506645 is a `hidden beast` number, since 7 + 534 + 50 + 6 + 64 + 5 = 666.

It is not a de Polignac number, because 7534506645 - 2⁵ = 7534506613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7534506645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7534506647) 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, 1880214 + ... + 1884216.

It is an arithmetic number, because the mean of its divisors is an integer number (274938664).

Almost surely, 2^7534506645 is an apocalyptic number.

It is an amenable number.

7534506645 is a deficient number, since it is larger than the sum of its proper divisors (5662549227).

7534506645 is a wasteful number, since it uses less digits than its factorization.

7534506645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The square root of 7534506645 is about 86801.5359599126. The cubic root of 7534506645 is about 1960.4312050192.

The spelling of 7534506645 in words is "seven billion, five hundred thirty-four million, five hundred six thousand, six hundred forty-five".