1427733 has 8 divisors (see below), whose sum is σ = 2115200. Its totient is φ = 951804.

The previous prime is 1427707. The next prime is 1427737. The reversal of 1427733 is 3377241.

It is not a de Polignac number, because 1427733 - 2⁹ = 1427221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 52879 = 1427733 / (1 + 4 + 2 + 7 + 7 + 3 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1427697 and 1427706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427737) 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, 26413 + ... + 26466.

It is an arithmetic number, because the mean of its divisors is an integer number (264400).

2^1427733 is an apocalyptic number.

It is an amenable number.

1427733 is a deficient number, since it is larger than the sum of its proper divisors (687467).

1427733 is an equidigital number, since it uses as much as digits as its factorization.

1427733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52888 (or 52882 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 1427733 is about 1194.8778180216. The cubic root of 1427733 is about 112.6027505698.

It can be divided in two parts, 142 and 7733, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 1427733 in words is "one million, four hundred twenty-seven thousand, seven hundred thirty-three".