1430073 has 12 divisors (see below), whose sum is σ = 2174640. Its totient is φ = 903096.

The previous prime is 1430063. The next prime is 1430089. The reversal of 1430073 is 3700341.

It is not a de Polignac number, because 1430073 - 2⁵ = 1430041 is a prime.

It is an Ulam number.

1430073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1430063) 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 11 ways as a sum of consecutive naturals, for example, 4011 + ... + 4352.

It is an arithmetic number, because the mean of its divisors is an integer number (181220).

2^1430073 is an apocalyptic number.

It is an amenable number.

1430073 is a deficient number, since it is larger than the sum of its proper divisors (744567).

1430073 is a wasteful number, since it uses less digits than its factorization.

1430073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388 (or 8385 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1430073 is about 1195.8565967540. The cubic root of 1430073 is about 112.6642341985.

The spelling of 1430073 in words is "one million, four hundred thirty thousand, seventy-three".