1420733 has 8 divisors (see below), whose sum is σ = 1494528. Its totient is φ = 1347984.

The previous prime is 1420729. The next prime is 1420753. The reversal of 1420733 is 3370241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420733 - 2² = 1420729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4991 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (186816).

2^1420733 is an apocalyptic number.

It is an amenable number.

1420733 is a deficient number, since it is larger than the sum of its proper divisors (73795).

1420733 is a wasteful number, since it uses less digits than its factorization.

1420733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1420733 is about 1191.9450490690. The cubic root of 1420733 is about 112.4184231652.

Adding to 1420733 its reverse (3370241), we get a palindrome (4790974).

The spelling of 1420733 in words is "one million, four hundred twenty thousand, seven hundred thirty-three".