743002728 has 64 divisors (see below), whose sum is σ = 2003097600. Its totient is φ = 228307200.

The previous prime is 743002723. The next prime is 743002739. The reversal of 743002728 is 827200347.

It is not an unprimeable number, because it can be changed into a prime (743002721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358078 + ... + 360146.

It is an arithmetic number, because the mean of its divisors is an integer number (31298400).

Almost surely, 2^743002728 is an apocalyptic number.

743002728 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

743002728 is an abundant number, since it is smaller than the sum of its proper divisors (1260094872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743002728 is a wasteful number, since it uses less digits than its factorization.

743002728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 743002728 is about 27258.0763811389. The cubic root of 743002728 is about 905.7259330180.

It can be divided in two parts, 74300 and 2728, that added together give a triangular number (77028 = T₃₉₂).

The spelling of 743002728 in words is "seven hundred forty-three million, two thousand, seven hundred twenty-eight".