3643078632 has 32 divisors (see below), whose sum is σ = 9118812480. Its totient is φ = 1212877440.

The previous prime is 3643078627. The next prime is 3643078667. The reversal of 3643078632 is 2368703463.

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, 72469 + ... + 111972.

It is an arithmetic number, because the mean of its divisors is an integer number (284962890).

Almost surely, 2^3643078632 is an apocalyptic number.

It is an amenable number.

3643078632 is an abundant number, since it is smaller than the sum of its proper divisors (5475733848).

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

3643078632 is a wasteful number, since it uses less digits than its factorization.

3643078632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185273 (or 185269 counting only the distinct ones).

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

The square root of 3643078632 is about 60357.9210377561. The cubic root of 3643078632 is about 1538.7078935299.

The spelling of 3643078632 in words is "three billion, six hundred forty-three million, seventy-eight thousand, six hundred thirty-two".