744782490 has 48 divisors (see below), whose sum is σ = 1956420648. Its totient is φ = 196558848.

The previous prime is 744782459. The next prime is 744782491. The reversal of 744782490 is 94287447.

744782490 is a `hidden beast` number, since 74 + 478 + 24 + 90 = 666.

744782490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 734030649 + 10751841 = 27093^2 + 3279^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (744782491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33927 + ... + 51386.

Almost surely, 2^744782490 is an apocalyptic number.

744782490 is an abundant number, since it is smaller than the sum of its proper divisors (1211638158).

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

744782490 is a wasteful number, since it uses less digits than its factorization.

744782490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85423 (or 85420 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 744782490 is about 27290.7033621341. The cubic root of 744782490 is about 906.4485374612.

The spelling of 744782490 in words is "seven hundred forty-four million, seven hundred eighty-two thousand, four hundred ninety".