744774040 has 64 divisors (see below), whose sum is σ = 1752710400. Its totient is φ = 284287872.

The previous prime is 744774011. The next prime is 744774049. The reversal of 744774040 is 40477447.

744774040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744774049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590931 + ... + 592189.

It is an arithmetic number, because the mean of its divisors is an integer number (27386100).

Almost surely, 2^744774040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744774040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876355200).

744774040 is an abundant number, since it is smaller than the sum of its proper divisors (1007936360).

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

744774040 is a wasteful number, since it uses less digits than its factorization.

744774040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 744774040 is about 27290.5485470703. The cubic root of 744774040 is about 906.4451093825.

The spelling of 744774040 in words is "seven hundred forty-four million, seven hundred seventy-four thousand, forty".