749328727 has 6 divisors (see below), whose sum is σ = 871668168. Its totient is φ = 642281724.

The previous prime is 749328719. The next prime is 749328739. The reversal of 749328727 is 727823947.

It is not a de Polignac number, because 749328727 - 2³ = 749328719 is a prime.

It is a super-2 number, since 2×749328727² = 1122987082214881058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 15292423 = 749328727 / (7 + 4 + 9 + 3 + 2 + 8 + 7 + 2 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749328427) 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 5 ways as a sum of consecutive naturals, for example, 7646163 + ... + 7646260.

It is an arithmetic number, because the mean of its divisors is an integer number (145278028).

Almost surely, 2^749328727 is an apocalyptic number.

749328727 is a deficient number, since it is larger than the sum of its proper divisors (122339441).

749328727 is a wasteful number, since it uses less digits than its factorization.

749328727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292437 (or 15292430 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 49.

The square root of 749328727 is about 27373.8694195760. The cubic root of 749328727 is about 908.2891523966.

It can be divided in two parts, 749 and 328727, that added together give a square (329476 = 574²).

The spelling of 749328727 in words is "seven hundred forty-nine million, three hundred twenty-eight thousand, seven hundred twenty-seven".