7536069540 has 36 divisors (see below), whose sum is σ = 22859411484. Its totient is φ = 2009618496.

The previous prime is 7536069539. The next prime is 7536069547. The reversal of 7536069540 is 459606357.

7536069540 is a `hidden beast` number, since 7 + 536 + 0 + 69 + 54 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4679380836 + 2856688704 = 68406^2 + 53448^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7536069540² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (7536069547) 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, 20933347 + ... + 20933706.

Almost surely, 2^7536069540 is an apocalyptic number.

It is an amenable number.

7536069540 is an abundant number, since it is smaller than the sum of its proper divisors (15323341944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7536069540 is a wasteful number, since it uses less digits than its factorization.

7536069540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41867068 (or 41867063 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 7536069540 is about 86810.5381851766. The cubic root of 7536069540 is about 1960.5667474617.

The spelling of 7536069540 in words is "seven billion, five hundred thirty-six million, sixty-nine thousand, five hundred forty".