1712420736 has 128 divisors (see below), whose sum is σ = 4918717440. Its totient is φ = 524728320.

The previous prime is 1712420729. The next prime is 1712420741. The reversal of 1712420736 is 6370242171.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1712420697 and 1712420706.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1551961 + ... + 1553063.

It is an arithmetic number, because the mean of its divisors is an integer number (38427480).

Almost surely, 2^1712420736 is an apocalyptic number.

1712420736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1712420736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459358720).

1712420736 is an abundant number, since it is smaller than the sum of its proper divisors (3206296704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1712420736 is a wasteful number, since it uses less digits than its factorization.

1712420736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1712420736 is about 41381.4056793628. The cubic root of 1712420736 is about 1196.3827963761.

The spelling of 1712420736 in words is "one billion, seven hundred twelve million, four hundred twenty thousand, seven hundred thirty-six".