3661542724 has 24 divisors (see below), whose sum is σ = 7326982208. Its totient is φ = 1568397600.

The previous prime is 3661542719. The next prime is 3661542737. The reversal of 3661542724 is 4272451663.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20299 + ... + 87949.

Almost surely, 2^3661542724 is an apocalyptic number.

It is an amenable number.

3661542724 is an abundant number, since it is smaller than the sum of its proper divisors (3665439484).

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

3661542724 is a wasteful number, since it uses less digits than its factorization.

3661542724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69595 (or 69593 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 3661542724 is about 60510.6827262757. The cubic root of 3661542724 is about 1541.3030411837.

The spelling of 3661542724 in words is "three billion, six hundred sixty-one million, five hundred forty-two thousand, seven hundred twenty-four".