1426073 has 4 divisors (see below), whose sum is σ = 1555728. Its totient is φ = 1296420.

The previous prime is 1426067. The next prime is 1426081. The reversal of 1426073 is 3706241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1426073 - 2⁴ = 1426057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426003) 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, 64811 + ... + 64832.

It is an arithmetic number, because the mean of its divisors is an integer number (388932).

2^1426073 is an apocalyptic number.

It is an amenable number.

1426073 is a deficient number, since it is larger than the sum of its proper divisors (129655).

1426073 is a wasteful number, since it uses less digits than its factorization.

1426073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129654.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1426073 is about 1194.1829843035. The cubic root of 1426073 is about 112.5590932343.

The spelling of 1426073 in words is "one million, four hundred twenty-six thousand, seventy-three".