742488009 has 16 divisors (see below), whose sum is σ = 1019832000. Its totient is φ = 480223296.

The previous prime is 742488007. The next prime is 742488017. The reversal of 742488009 is 900884247.

742488009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742488009 - 2¹ = 742488007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742488007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94 + ... + 38535.

It is an arithmetic number, because the mean of its divisors is an integer number (63739500).

Almost surely, 2^742488009 is an apocalyptic number.

It is an amenable number.

742488009 is a deficient number, since it is larger than the sum of its proper divisors (277343991).

742488009 is a wasteful number, since it uses less digits than its factorization.

742488009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38824.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 742488009 is about 27248.6331583806. The cubic root of 742488009 is about 905.5167359212.

The spelling of 742488009 in words is "seven hundred forty-two million, four hundred eighty-eight thousand, nine".