744199680 has 320 divisors, whose sum is σ = 2765537280. Its totient is φ = 167215104.

The previous prime is 744199679. The next prime is 744199691. The reversal of 744199680 is 86991447.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5859777 + ... + 5859903.

It is an arithmetic number, because the mean of its divisors is an integer number (8642304).

Almost surely, 2^744199680 is an apocalyptic number.

744199680 is a gapful number since it is divisible by the number (70) 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 744199680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382768640).

744199680 is an abundant number, since it is smaller than the sum of its proper divisors (2021337600).

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

744199680 is a wasteful number, since it uses less digits than its factorization.

744199680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 744199680 is about 27280.0234604005. The cubic root of 744199680 is about 906.2120365865.

The spelling of 744199680 in words is "seven hundred forty-four million, one hundred ninety-nine thousand, six hundred eighty".