734975280 has 480 divisors, whose sum is σ = 2924812800. Its totient is φ = 163676160.

The previous prime is 734975251. The next prime is 734975287. The reversal of 734975280 is 82579437.

734975280 is a `hidden beast` number, since 7 + 34 + 97 + 528 + 0 = 666.

It is a super-2 number, since 2×734975280² = 1080377324422156800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734975287) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4932646 + ... + 4932794.

It is an arithmetic number, because the mean of its divisors is an integer number (6093360).

Almost surely, 2^734975280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734975280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462406400).

734975280 is an abundant number, since it is smaller than the sum of its proper divisors (2189837520).

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

734975280 is a wasteful number, since it uses less digits than its factorization.

734975280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 734975280 is about 27110.4275141503. The cubic root of 734975280 is about 902.4522750576.

The spelling of 734975280 in words is "seven hundred thirty-four million, nine hundred seventy-five thousand, two hundred eighty".