3722432 has 42 divisors (see below), whose sum is σ = 8599932. Its totient is φ = 1593984.

The previous prime is 3722419. The next prime is 3722437. The reversal of 3722432 is 2342273.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3722398 and 3722407.

It is not an unprimeable number, because it can be changed into a prime (3722437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2543 + ... + 3729.

Almost surely, 2^3722432 is an apocalyptic number.

3722432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4299966).

3722432 is an abundant number, since it is smaller than the sum of its proper divisors (4877500).

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

3722432 is a wasteful number, since it uses less digits than its factorization.

3722432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1196 counting only the distinct ones).

The product of its digits is 2016, while the sum is 23.

The square root of 3722432 is about 1929.3605158186. The cubic root of 3722432 is about 154.9799766018.

The spelling of 3722432 in words is "three million, seven hundred twenty-two thousand, four hundred thirty-two".