741530 has 16 divisors (see below), whose sum is σ = 1381320. Its totient is φ = 286272.

The previous prime is 741509. The next prime is 741541. The reversal of 741530 is 35147.

741530 = T₅₀ + T₅₁ + ... + T₁₆₅.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 579121 + 162409 = 761^2 + 403^2 .

It is a Curzon number.

It is an unprimeable number.

741530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989 + ... + 1568.

2⁷⁴¹⁵³⁰ is an apocalyptic number.

741530 is a deficient number, since it is larger than the sum of its proper divisors (639790).

741530 is a wasteful number, since it uses less digits than its factorization.

741530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 741530 is about 861.1213619462. The cubic root of 741530 is about 90.5127115016.

Adding to 741530 its reverse (35147), we get a palindrome (776677).

The spelling of 741530 in words is "seven hundred forty-one thousand, five hundred thirty".