1490720 has 96 divisors (see below), whose sum is σ = 4427136. Its totient is φ = 464640.

The previous prime is 1490717. The next prime is 1490729. The reversal of 1490720 is 270941.

It is a super-2 number, since 2×1490720² = 4444492236800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1490729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135515 + ... + 135525.

It is an arithmetic number, because the mean of its divisors is an integer number (46116).

2^1490720 is an apocalyptic number.

1490720 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 1490720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2213568).

1490720 is an abundant number, since it is smaller than the sum of its proper divisors (2936416).

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

1490720 is an equidigital number, since it uses as much as digits as its factorization.

1490720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1490720 is about 1220.9504494450. The cubic root of 1490720 is about 114.2348702407.

The spelling of 1490720 in words is "one million, four hundred ninety thousand, seven hundred twenty".