734668028 has 24 divisors (see below), whose sum is σ = 1296458688. Its totient is φ = 364262976.

The previous prime is 734668019. The next prime is 734668057. The reversal of 734668028 is 820866437.

It is a super-2 number, since 2×734668028² = 1079474222730817568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 734668028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319250 + ... + 321542.

It is an arithmetic number, because the mean of its divisors is an integer number (54019112).

Almost surely, 2^734668028 is an apocalyptic number.

It is an amenable number.

734668028 is a deficient number, since it is larger than the sum of its proper divisors (561790660).

734668028 is a wasteful number, since it uses less digits than its factorization.

734668028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 734668028 is about 27104.7602461265. The cubic root of 734668028 is about 902.3265026126.

The spelling of 734668028 in words is "seven hundred thirty-four million, six hundred sixty-eight thousand, twenty-eight".