749857168 has 40 divisors (see below), whose sum is σ = 1477345176. Its totient is φ = 368640000.

The previous prime is 749857151. The next prime is 749857169. The reversal of 749857168 is 861758947.

It can be written as a sum of positive squares in 4 ways, for example, as 617423104 + 132434064 = 24848^2 + 11508^2 .

It is not an unprimeable number, because it can be changed into a prime (749857169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467568 + ... + 469168.

Almost surely, 2^749857168 is an apocalyptic number.

It is an amenable number.

749857168 is a deficient number, since it is larger than the sum of its proper divisors (727488008).

749857168 is a wasteful number, since it uses less digits than its factorization.

749857168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2077 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 749857168 is about 27383.5200074790. The cubic root of 749857168 is about 908.5026165391.

The spelling of 749857168 in words is "seven hundred forty-nine million, eight hundred fifty-seven thousand, one hundred sixty-eight".