1523726 has 4 divisors (see below), whose sum is σ = 2285592. Its totient is φ = 761862.

The previous prime is 1523707. The next prime is 1523737. The reversal of 1523726 is 6273251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6273251 = 29 ⋅216319.

It is a junction number, because it is equal to n+sod(n) for n = 1523695 and 1523704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380930 + ... + 380933.

It is an arithmetic number, because the mean of its divisors is an integer number (571398).

2^1523726 is an apocalyptic number.

1523726 is a deficient number, since it is larger than the sum of its proper divisors (761866).

1523726 is an equidigital number, since it uses as much as digits as its factorization.

1523726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761865.

The product of its digits is 2520, while the sum is 26.

The square root of 1523726 is about 1234.3929682237. The cubic root of 1523726 is about 115.0718139982.

Adding to 1523726 its reverse (6273251), we get a palindrome (7796977).

The spelling of 1523726 in words is "one million, five hundred twenty-three thousand, seven hundred twenty-six".