742354249 has 32 divisors (see below), whose sum is σ = 970292736. Its totient is φ = 551162880.

The previous prime is 742354169. The next prime is 742354253. The reversal of 742354249 is 942453247.

It is a cyclic number.

It is not a de Polignac number, because 742354249 - 2¹⁷ = 742223177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742354259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836484 + ... + 837370.

It is an arithmetic number, because the mean of its divisors is an integer number (30321648).

Almost surely, 2^742354249 is an apocalyptic number.

It is an amenable number.

742354249 is a deficient number, since it is larger than the sum of its proper divisors (227938487).

742354249 is a wasteful number, since it uses less digits than its factorization.

742354249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its digits is 241920, while the sum is 40.

The square root of 742354249 is about 27246.1786127890. The cubic root of 742354249 is about 905.4623560563.

The spelling of 742354249 in words is "seven hundred forty-two million, three hundred fifty-four thousand, two hundred forty-nine".