1712747904 has 128 divisors (see below), whose sum is σ = 5213652480. Its totient is φ = 488017920.

The previous prime is 1712747891. The next prime is 1712747941. The reversal of 1712747904 is 4097472171.

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

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1399837 + ... + 1401059.

It is an arithmetic number, because the mean of its divisors is an integer number (40731660).

Almost surely, 2^1712747904 is an apocalyptic number.

1712747904 is a gapful number since it is divisible by the number (14) 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 1712747904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606826240).

1712747904 is an abundant number, since it is smaller than the sum of its proper divisors (3500904576).

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

1712747904 is a wasteful number, since it uses less digits than its factorization.

1712747904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 1712747904 is about 41385.3585703930. The cubic root of 1712747904 is about 1196.4589835018.

The spelling of 1712747904 in words is "one billion, seven hundred twelve million, seven hundred forty-seven thousand, nine hundred four".