1720714380 has 288 divisors, whose sum is σ = 6184819200. Its totient is φ = 357033600.

The previous prime is 1720714379. The next prime is 1720714397. The reversal of 1720714380 is 834170271.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2489835 + ... + 2490525.

Almost surely, 2^1720714380 is an apocalyptic number.

1720714380 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 1720714380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3092409600).

1720714380 is an abundant number, since it is smaller than the sum of its proper divisors (4464104820).

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

1720714380 is a wasteful number, since it uses less digits than its factorization.

1720714380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1720714380 is about 41481.4944282387. The cubic root of 1720714380 is about 1198.3111381253.

The spelling of 1720714380 in words is "one billion, seven hundred twenty million, seven hundred fourteen thousand, three hundred eighty".