1432720 has 20 divisors (see below), whose sum is σ = 3331260. Its totient is φ = 573056.

The previous prime is 1432703. The next prime is 1432723. The reversal of 1432720 is 272341.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 861184 = 756^2 + 928^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875 + ... + 9034.

It is an arithmetic number, because the mean of its divisors is an integer number (166563).

2^1432720 is an apocalyptic number.

1432720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432720 is an abundant number, since it is smaller than the sum of its proper divisors (1898540).

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

1432720 is a wasteful number, since it uses less digits than its factorization.

1432720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17922 (or 17916 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1432720 is about 1196.9628231487. The cubic root of 1432720 is about 112.7337034770.

The spelling of 1432720 in words is "one million, four hundred thirty-two thousand, seven hundred twenty".