741217249 has 4 divisors (see below), whose sum is σ = 743952640. Its totient is φ = 738481860.

The previous prime is 741217201. The next prime is 741217259. The reversal of 741217249 is 942712147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942712147 = 13 ⋅72516319.

It is a cyclic number.

It is not a de Polignac number, because 741217249 - 2¹⁹ = 740692961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (741217259) 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, 1367289 + ... + 1367830.

It is an arithmetic number, because the mean of its divisors is an integer number (185988160).

Almost surely, 2^741217249 is an apocalyptic number.

It is an amenable number.

741217249 is a deficient number, since it is larger than the sum of its proper divisors (2735391).

741217249 is a wasteful number, since it uses less digits than its factorization.

741217249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735390.

The product of its digits is 28224, while the sum is 37.

The square root of 741217249 is about 27225.3053059098. The cubic root of 741217249 is about 904.9998469725. Note that the first 3 decimals are identical.

The spelling of 741217249 in words is "seven hundred forty-one million, two hundred seventeen thousand, two hundred forty-nine".