3680534772 has 18 divisors (see below), whose sum is σ = 9303574098. Its totient is φ = 1226844912.

The previous prime is 3680534771. The next prime is 3680534789. The reversal of 3680534772 is 2774350863.

3680534772 is a `hidden beast` number, since 36 + 80 + 534 + 7 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3201975396 + 478559376 = 56586^2 + 21876^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680534771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51118503 + ... + 51118574.

Almost surely, 2^3680534772 is an apocalyptic number.

It is an amenable number.

3680534772 is an abundant number, since it is smaller than the sum of its proper divisors (5623039326).

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

3680534772 is a wasteful number, since it uses less digits than its factorization.

3680534772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102237087 (or 102237082 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 3680534772 is about 60667.4111199745. The cubic root of 3680534772 is about 1543.9633074271.

The spelling of 3680534772 in words is "three billion, six hundred eighty million, five hundred thirty-four thousand, seven hundred seventy-two".