1726420604 has 24 divisors (see below), whose sum is σ = 3052522368. Its totient is φ = 854287920.

The previous prime is 1726420583. The next prime is 1726420607. The reversal of 1726420604 is 4060246271.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1726420607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782567 + ... + 784769.

It is an arithmetic number, because the mean of its divisors is an integer number (127188432).

Almost surely, 2^1726420604 is an apocalyptic number.

It is an amenable number.

1726420604 is a deficient number, since it is larger than the sum of its proper divisors (1326101764).

1726420604 is a wasteful number, since it uses less digits than its factorization.

1726420604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1726420604 is about 41550.2178574313. The cubic root of 1726420604 is about 1199.6342876308.

Adding to 1726420604 its reverse (4060246271), we get a palindrome (5786666875).

The spelling of 1726420604 in words is "one billion, seven hundred twenty-six million, four hundred twenty thousand, six hundred four".