734243328 has 480 divisors, whose sum is σ = 2788321536. Its totient is φ = 180486144.

The previous prime is 734243327. The next prime is 734243357. The reversal of 734243328 is 823342437.

It is a super-2 number, since 2×734243328² = 1078226529425031168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 734243292 and 734243301.

It is not an unprimeable number, because it can be changed into a prime (734243327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7128525 + ... + 7128627.

Almost surely, 2^734243328 is an apocalyptic number.

734243328 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734243328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394160768).

734243328 is an abundant number, since it is smaller than the sum of its proper divisors (2054078208).

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

734243328 is a wasteful number, since it uses less digits than its factorization.

734243328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 145 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 734243328 is about 27096.9246963562. The cubic root of 734243328 is about 902.1525955240.

The spelling of 734243328 in words is "seven hundred thirty-four million, two hundred forty-three thousand, three hundred twenty-eight".