3673568538 has 48 divisors (see below), whose sum is σ = 8260237440. Its totient is φ = 1223626176.

The previous prime is 3673568531. The next prime is 3673568557. The reversal of 3673568538 is 8358653763.

It is a happy number.

3673568538 is a `hidden beast` number, since 3 + 6 + 73 + 568 + 5 + 3 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3673568531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1187698 + ... + 1190786.

It is an arithmetic number, because the mean of its divisors is an integer number (172088280).

Almost surely, 2^3673568538 is an apocalyptic number.

3673568538 is an abundant number, since it is smaller than the sum of its proper divisors (4586668902).

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

3673568538 is a wasteful number, since it uses less digits than its factorization.

3673568538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553 (or 5541 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 3673568538 is about 60609.9706154029. The cubic root of 3673568538 is about 1542.9885937604.

The spelling of 3673568538 in words is "three billion, six hundred seventy-three million, five hundred sixty-eight thousand, five hundred thirty-eight".