741537521 has 8 divisors (see below), whose sum is σ = 768779424. Its totient is φ = 714731680.

The previous prime is 741537497. The next prime is 741537523. The reversal of 741537521 is 125735147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 741537521 - 2¹⁸ = 741275377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (741537523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105551 + ... + 112356.

It is an arithmetic number, because the mean of its divisors is an integer number (96097428).

Almost surely, 2^741537521 is an apocalyptic number.

It is an amenable number.

741537521 is a deficient number, since it is larger than the sum of its proper divisors (27241903).

741537521 is a wasteful number, since it uses less digits than its factorization.

741537521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218031.

The product of its digits is 29400, while the sum is 35.

The square root of 741537521 is about 27231.1865514524. The cubic root of 741537521 is about 905.1301751028.

The spelling of 741537521 in words is "seven hundred forty-one million, five hundred thirty-seven thousand, five hundred twenty-one".