741813991 has 4 divisors (see below), whose sum is σ = 744551584. Its totient is φ = 739076400.

The previous prime is 741813977. The next prime is 741814049. The reversal of 741813991 is 199318147.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 741813991 - 2⁵ = 741813959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741813901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368390 + ... + 1368931.

It is an arithmetic number, because the mean of its divisors is an integer number (186137896).

Almost surely, 2^741813991 is an apocalyptic number.

741813991 is a deficient number, since it is larger than the sum of its proper divisors (2737593).

741813991 is a wasteful number, since it uses less digits than its factorization.

741813991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737592.

The product of its digits is 54432, while the sum is 43.

The square root of 741813991 is about 27236.2624271393. The cubic root of 741813991 is about 905.2426487310.

The spelling of 741813991 in words is "seven hundred forty-one million, eight hundred thirteen thousand, nine hundred ninety-one".