1712497920 has 144 divisors (see below), whose sum is σ = 6250715520. Its totient is φ = 391421952.

The previous prime is 1712497909. The next prime is 1712497921. The reversal of 1712497920 is 297942171.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712497921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4975 + ... + 58734.

Almost surely, 2^1712497920 is an apocalyptic number.

1712497920 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 1712497920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3125357760).

1712497920 is an abundant number, since it is smaller than the sum of its proper divisors (4538217600).

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

1712497920 is an equidigital number, since it uses as much as digits as its factorization.

1712497920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63740 (or 63726 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1712497920 is about 41382.3382616304. The cubic root of 1712497920 is about 1196.4007709740.

The spelling of 1712497920 in words is "one billion, seven hundred twelve million, four hundred ninety-seven thousand, nine hundred twenty".