749598249 has 8 divisors (see below), whose sum is σ = 1009768480. Its totient is φ = 494580096.

The previous prime is 749598229. The next prime is 749598257. The reversal of 749598249 is 942895947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 749598249 - 2¹⁶ = 749532713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749598209) 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 7 ways as a sum of consecutive naturals, for example, 1287679 + ... + 1288260.

It is an arithmetic number, because the mean of its divisors is an integer number (126221060).

Almost surely, 2^749598249 is an apocalyptic number.

It is an amenable number.

749598249 is a deficient number, since it is larger than the sum of its proper divisors (260170231).

749598249 is a wasteful number, since it uses less digits than its factorization.

749598249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576039.

The product of its digits is 6531840, while the sum is 57.

The square root of 749598249 is about 27378.7919565491. The cubic root of 749598249 is about 908.3980385482.

The spelling of 749598249 in words is "seven hundred forty-nine million, five hundred ninety-eight thousand, two hundred forty-nine".