1434720 has 144 divisors (see below), whose sum is σ = 5343408. Its totient is φ = 322560.

The previous prime is 1434707. The next prime is 1434731. The reversal of 1434720 is 274341.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23490 + ... + 23550.

It is an arithmetic number, because the mean of its divisors is an integer number (37107).

2^1434720 is an apocalyptic number.

1434720 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 1434720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2671704).

1434720 is an abundant number, since it is smaller than the sum of its proper divisors (3908688).

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

1434720 is a wasteful number, since it uses less digits than its factorization.

1434720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1434720 is about 1197.7979796276. The cubic root of 1434720 is about 112.7861358143.

The spelling of 1434720 in words is "one million, four hundred thirty-four thousand, seven hundred twenty".