6752561940 has 36 divisors (see below), whose sum is σ = 20482771764. Its totient is φ = 1800683136.

The previous prime is 6752561939. The next prime is 6752561947. The reversal of 6752561940 is 491652576.

6752561940 is a `hidden beast` number, since 6 + 7 + 5 + 25 + 619 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5265534096 + 1487027844 = 72564^2 + 38562^2 .

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6752561947) 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, 18756937 + ... + 18757296.

Almost surely, 2^6752561940 is an apocalyptic number.

6752561940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6752561940 is an abundant number, since it is smaller than the sum of its proper divisors (13730209824).

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

6752561940 is a wasteful number, since it uses less digits than its factorization.

6752561940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37514248 (or 37514243 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 6752561940 is about 82173.9736169549. The cubic root of 6752561940 is about 1890.1206440163.

The spelling of 6752561940 in words is "six billion, seven hundred fifty-two million, five hundred sixty-one thousand, nine hundred forty".