1492723 has 4 divisors (see below), whose sum is σ = 1557648. Its totient is φ = 1427800.

The previous prime is 1492709. The next prime is 1492739. The reversal of 1492723 is 3272941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1492723 - 2¹³ = 1484531 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1492723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1492691 and 1492700.

It is not an unprimeable number, because it can be changed into a prime (1492703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32428 + ... + 32473.

It is an arithmetic number, because the mean of its divisors is an integer number (389412).

2^1492723 is an apocalyptic number.

1492723 is a deficient number, since it is larger than the sum of its proper divisors (64925).

1492723 is an equidigital number, since it uses as much as digits as its factorization.

1492723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64924.

The product of its digits is 3024, while the sum is 28.

The square root of 1492723 is about 1221.7704367024. The cubic root of 1492723 is about 114.2860110855.

The spelling of 1492723 in words is "one million, four hundred ninety-two thousand, seven hundred twenty-three".