741405021 has 32 divisors (see below), whose sum is σ = 1177632768. Its totient is φ = 405976320.

The previous prime is 741404999. The next prime is 741405031. The reversal of 741405021 is 120504147.

741405021 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 741405021 - 2⁶ = 741404957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 741404982 and 741405000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741405031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61525 + ... + 72581.

It is an arithmetic number, because the mean of its divisors is an integer number (36801024).

Almost surely, 2^741405021 is an apocalyptic number.

It is an amenable number.

741405021 is a deficient number, since it is larger than the sum of its proper divisors (436227747).

741405021 is a wasteful number, since it uses less digits than its factorization.

741405021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 741405021 is about 27228.7535704446. The cubic root of 741405021 is about 905.0762614937.

Adding to 741405021 its reverse (120504147), we get a palindrome (861909168).

The spelling of 741405021 in words is "seven hundred forty-one million, four hundred five thousand, twenty-one".