749172827 has 8 divisors (see below), whose sum is σ = 807824976. Its totient is φ = 690666912.

The previous prime is 749172811. The next prime is 749172829. The reversal of 749172827 is 728271947.

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

It is not a de Polignac number, because 749172827 - 2⁴ = 749172811 is a prime.

It is a super-2 number, since 2×749172827² = 1122519849430343858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749172829) 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, 25793 + ... + 46514.

It is an arithmetic number, because the mean of its divisors is an integer number (100978122).

Almost surely, 2^749172827 is an apocalyptic number.

749172827 is a deficient number, since it is larger than the sum of its proper divisors (58652149).

749172827 is a wasteful number, since it uses less digits than its factorization.

749172827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73117.

The product of its digits is 395136, while the sum is 47.

The square root of 749172827 is about 27371.0216652576. The cubic root of 749172827 is about 908.2261573029.

The spelling of 749172827 in words is "seven hundred forty-nine million, one hundred seventy-two thousand, eight hundred twenty-seven".