14772420 has 144 divisors (see below), whose sum is σ = 49533120. Its totient is φ = 3541248.

The previous prime is 14772419. The next prime is 14772437. The reversal of 14772420 is 2427741.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138007 + ... + 138113.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^14772420 is an apocalyptic number.

14772420 is a gapful number since it is divisible by the number (10) 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 14772420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24766560).

14772420 is an abundant number, since it is smaller than the sum of its proper divisors (34760700).

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

14772420 is a wasteful number, since it uses less digits than its factorization.

14772420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 14772420 is about 3843.4906010032. The cubic root of 14772420 is about 245.3676003319.

The spelling of 14772420 in words is "fourteen million, seven hundred seventy-two thousand, four hundred twenty".