1712894040 has 320 divisors, whose sum is σ = 6765564960. Its totient is φ = 383201280.

The previous prime is 1712894033. The next prime is 1712894059. The reversal of 1712894040 is 404982171.

1712894040 is a `hidden beast` number, since 171 + 2 + 89 + 404 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1712893986 and 1712894004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 461472 + ... + 465168.

Almost surely, 2^1712894040 is an apocalyptic number.

1712894040 is a gapful number since it is divisible by the number (10) 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 1712894040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3382782480).

1712894040 is an abundant number, since it is smaller than the sum of its proper divisors (5052670920).

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

1712894040 is a wasteful number, since it uses less digits than its factorization.

1712894040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1712894040 is about 41387.1240846716. The cubic root of 1712894040 is about 1196.4930108402.

The spelling of 1712894040 in words is "one billion, seven hundred twelve million, eight hundred ninety-four thousand, forty".