742001530 has 16 divisors (see below), whose sum is σ = 1340572680. Its totient is φ = 295696192.

The previous prime is 742001489. The next prime is 742001531. The reversal of 742001530 is 35100247.

742001530 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 233814681 + 508186849 = 15291^2 + 22543^2 .

It is not an unprimeable number, because it can be changed into a prime (742001531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135229 + ... + 140608.

Almost surely, 2^742001530 is an apocalyptic number.

742001530 is a deficient number, since it is larger than the sum of its proper divisors (598571150).

742001530 is a wasteful number, since it uses less digits than its factorization.

742001530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276113.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 742001530 is about 27239.7050277715. The cubic root of 742001530 is about 905.3189275101.

Adding to 742001530 its reverse (35100247), we get a palindrome (777101777).

The spelling of 742001530 in words is "seven hundred forty-two million, one thousand, five hundred thirty".