744381984 has 48 divisors (see below), whose sum is σ = 2006823168. Its totient is φ = 241420032.

The previous prime is 744381973. The next prime is 744381997. The reversal of 744381984 is 489183447.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101232 + ... + 108335.

It is an arithmetic number, because the mean of its divisors is an integer number (41808816).

Almost surely, 2^744381984 is an apocalyptic number.

744381984 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

744381984 is an abundant number, since it is smaller than the sum of its proper divisors (1262441184).

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

744381984 is a wasteful number, since it uses less digits than its factorization.

744381984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209617 (or 209609 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 744381984 is about 27283.3646018962. The cubic root of 744381984 is about 906.2860277457.

The spelling of 744381984 in words is "seven hundred forty-four million, three hundred eighty-one thousand, nine hundred eighty-four".