734220 has 36 divisors (see below), whose sum is σ = 2227680. Its totient is φ = 195744.

The previous prime is 734207. The next prime is 734221. The reversal of 734220 is 22437.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 734193 and 734202.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 734220.

It is not an unprimeable number, because it can be changed into a prime (734221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1860 + ... + 2219.

It is an arithmetic number, because the mean of its divisors is an integer number (61880).

2⁷³⁴²²⁰ is an apocalyptic number.

It is an amenable number.

734220 is an abundant number, since it is smaller than the sum of its proper divisors (1493460).

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

734220 is a wasteful number, since it uses less digits than its factorization.

734220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4089 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 734220 is about 856.8663839829. The cubic root of 734220 is about 90.2143041181.

Adding to 734220 its reverse (22437), we get a palindrome (756657).

The spelling of 734220 in words is "seven hundred thirty-four thousand, two hundred twenty".