741311021 has 32 divisors (see below), whose sum is σ = 866436480. Its totient is φ = 627782400.

The previous prime is 741311009. The next prime is 741311023. The reversal of 741311021 is 120113147.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 741311021 - 2¹⁰ = 741309997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 741310984 and 741311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741311023) 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, 2136170 + ... + 2136516.

It is an arithmetic number, because the mean of its divisors is an integer number (27076140).

Almost surely, 2^741311021 is an apocalyptic number.

It is an amenable number.

741311021 is a deficient number, since it is larger than the sum of its proper divisors (125125459).

741311021 is a wasteful number, since it uses less digits than its factorization.

741311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 741311021 is about 27227.0273992590. The cubic root of 741311021 is about 905.0380094533.

Adding to 741311021 its reverse (120113147), we get a palindrome (861424168).

The spelling of 741311021 in words is "seven hundred forty-one million, three hundred eleven thousand, twenty-one".