4491603732 has 72 divisors (see below), whose sum is σ = 13165501888. Its totient is φ = 1166647680.

The previous prime is 4491603731. The next prime is 4491603769. The reversal of 4491603732 is 2373061944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491603731) 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, 210793 + ... + 231120.

Almost surely, 2^4491603732 is an apocalyptic number.

4491603732 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4491603732 is an abundant number, since it is smaller than the sum of its proper divisors (8673898156).

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

4491603732 is a wasteful number, since it uses less digits than its factorization.

4491603732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441949 (or 441936 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 4491603732 is about 67019.4280190453. The cubic root of 4491603732 is about 1649.9361753090.

The spelling of 4491603732 in words is "four billion, four hundred ninety-one million, six hundred three thousand, seven hundred thirty-two".