741813921 has 24 divisors (see below), whose sum is σ = 1135723680. Its totient is φ = 464966016.

The previous prime is 741813901. The next prime is 741813929. The reversal of 741813921 is 129318147.

It is a happy number.

741813921 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 741813921 - 2⁵ = 741813889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (741813929) 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, 194410 + ... + 198188.

It is an arithmetic number, because the mean of its divisors is an integer number (47321820).

Almost surely, 2^741813921 is an apocalyptic number.

It is an amenable number.

741813921 is a deficient number, since it is larger than the sum of its proper divisors (393909759).

741813921 is a wasteful number, since it uses less digits than its factorization.

741813921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5082 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 741813921 is about 27236.2611420878. The cubic root of 741813921 is about 905.2426202572.

The spelling of 741813921 in words is "seven hundred forty-one million, eight hundred thirteen thousand, nine hundred twenty-one".