6719736240 has 320 divisors, whose sum is σ = 26548300800. Its totient is φ = 1530372096.

The previous prime is 6719736239. The next prime is 6719736269. The reversal of 6719736240 is 426379176.

6719736240 is a `hidden beast` number, since 6 + 7 + 19 + 7 + 3 + 624 + 0 = 666.

It is a hoax number, since the sum of its digits (45) 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 (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5336731 + ... + 5337989.

It is an arithmetic number, because the mean of its divisors is an integer number (82963440).

Almost surely, 2^6719736240 is an apocalyptic number.

6719736240 is a gapful number since it is divisible by the number (60) 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 6719736240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13274150400).

6719736240 is an abundant number, since it is smaller than the sum of its proper divisors (19828564560).

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

6719736240 is a wasteful number, since it uses less digits than its factorization.

6719736240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 6719736240 is about 81973.9973406202. The cubic root of 6719736240 is about 1887.0529025384.

The spelling of 6719736240 in words is "six billion, seven hundred nineteen million, seven hundred thirty-six thousand, two hundred forty".