3661542732 has 24 divisors (see below), whose sum is σ = 8587872496. Its totient is φ = 1214189568.

The previous prime is 3661542719. The next prime is 3661542737. The reversal of 3661542732 is 2372451663.

It is not an unprimeable number, because it can be changed into a prime (3661542737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788173 + ... + 792804.

Almost surely, 2^3661542732 is an apocalyptic number.

It is an amenable number.

3661542732 is an abundant number, since it is smaller than the sum of its proper divisors (4926329764).

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

3661542732 is a wasteful number, since it uses less digits than its factorization.

3661542732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581177 (or 1581175 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 3661542732 is about 60510.6827923797. The cubic root of 3661542732 is about 1541.3030423063.

The spelling of 3661542732 in words is "three billion, six hundred sixty-one million, five hundred forty-two thousand, seven hundred thirty-two".