741342491 has 4 divisors (see below), whose sum is σ = 741414552. Its totient is φ = 741270432.

The previous prime is 741342473. The next prime is 741342517. The reversal of 741342491 is 194243147.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 194243147 = 7 ⋅27749021.

It is a cyclic number.

It is not a de Polignac number, because 741342491 - 2¹⁰ = 741341467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (741372491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17381 + ... + 42246.

It is an arithmetic number, because the mean of its divisors is an integer number (185353638).

Almost surely, 2^741342491 is an apocalyptic number.

741342491 is a deficient number, since it is larger than the sum of its proper divisors (72061).

741342491 is a wasteful number, since it uses less digits than its factorization.

741342491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72060.

The product of its digits is 24192, while the sum is 35.

The square root of 741342491 is about 27227.6053115216. The cubic root of 741342491 is about 905.0508161082.

The spelling of 741342491 in words is "seven hundred forty-one million, three hundred forty-two thousand, four hundred ninety-one".