749165355 has 24 divisors (see below), whose sum is σ = 1346650032. Its totient is φ = 399554208.

The previous prime is 749165317. The next prime is 749165357. The reversal of 749165355 is 553561947.

It is not a de Polignac number, because 749165355 - 2⁷ = 749165227 is a prime.

It is a super-2 number, since 2×749165355² = 1122497458264552050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 749165355.

It is not an unprimeable number, because it can be changed into a prime (749165357) 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 23 ways as a sum of consecutive naturals, for example, 307084 + ... + 309513.

It is an arithmetic number, because the mean of its divisors is an integer number (56110418).

Almost surely, 2^749165355 is an apocalyptic number.

749165355 is a deficient number, since it is larger than the sum of its proper divisors (597484677).

749165355 is an equidigital number, since it uses as much as digits as its factorization.

749165355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616617 (or 616605 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 749165355 is about 27370.8851701950. The cubic root of 749165355 is about 908.2231378445.

The spelling of 749165355 in words is "seven hundred forty-nine million, one hundred sixty-five thousand, three hundred fifty-five".