749621255 has 8 divisors (see below), whose sum is σ = 914792400. Its totient is φ = 589532416.

The previous prime is 749621237. The next prime is 749621287. The reversal of 749621255 is 552126947.

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

It is a cyclic number.

It is not a de Polignac number, because 749621255 - 2¹⁰ = 749620231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270250 + ... + 1270839.

It is an arithmetic number, because the mean of its divisors is an integer number (114349050).

Almost surely, 2^749621255 is an apocalyptic number.

749621255 is a deficient number, since it is larger than the sum of its proper divisors (165171145).

749621255 is a wasteful number, since it uses less digits than its factorization.

749621255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541153.

The product of its digits is 151200, while the sum is 41.

The square root of 749621255 is about 27379.2120960410. The cubic root of 749621255 is about 908.4073317003.

The spelling of 749621255 in words is "seven hundred forty-nine million, six hundred twenty-one thousand, two hundred fifty-five".