740543220 has 144 divisors (see below), whose sum is σ = 2309973120. Its totient is φ = 191962368.

The previous prime is 740543179. The next prime is 740543263. The reversal of 740543220 is 22345047.

740543220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1093522 + ... + 1094198.

It is an arithmetic number, because the mean of its divisors is an integer number (16041480).

Almost surely, 2^740543220 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 740543220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154986560).

740543220 is an abundant number, since it is smaller than the sum of its proper divisors (1569429900).

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

740543220 is a wasteful number, since it uses less digits than its factorization.

740543220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 740543220 is about 27212.9237679453. The cubic root of 740543220 is about 904.7254419821.

Adding to 740543220 its reverse (22345047), we get a palindrome (762888267).

It can be divided in two parts, 7405 and 43220, that added together give a 4-th power (50625 = 15⁴).

The spelling of 740543220 in words is "seven hundred forty million, five hundred forty-three thousand, two hundred twenty".