3661432764 has 24 divisors (see below), whose sum is σ = 9320011008. Its totient is φ = 1109525040.

The previous prime is 3661432759. The next prime is 3661432771. The reversal of 3661432764 is 4672341663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13868932 + ... + 13869195.

It is an arithmetic number, because the mean of its divisors is an integer number (388333792).

Almost surely, 2^3661432764 is an apocalyptic number.

It is an amenable number.

3661432764 is an abundant number, since it is smaller than the sum of its proper divisors (5658578244).

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

3661432764 is a wasteful number, since it uses less digits than its factorization.

3661432764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27738145 (or 27738143 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The square root of 3661432764 is about 60509.7741195586. The cubic root of 3661432764 is about 1541.2876120426.

It can be divided in two parts, 36614 and 32764, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 3661432764 in words is "three billion, six hundred sixty-one million, four hundred thirty-two thousand, seven hundred sixty-four".