1478726 has 4 divisors (see below), whose sum is σ = 2218092. Its totient is φ = 739362.

The previous prime is 1478723. The next prime is 1478759. The reversal of 1478726 is 6278741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6278741 = 7 ⋅896963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369680 + ... + 369683.

It is an arithmetic number, because the mean of its divisors is an integer number (554523).

2^1478726 is an apocalyptic number.

1478726 is a deficient number, since it is larger than the sum of its proper divisors (739366).

1478726 is an equidigital number, since it uses as much as digits as its factorization.

1478726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739365.

The product of its digits is 18816, while the sum is 35.

The square root of 1478726 is about 1216.0287825541. The cubic root of 1478726 is about 113.9276754753.

The spelling of 1478726 in words is "one million, four hundred seventy-eight thousand, seven hundred twenty-six".