735228 has 36 divisors (see below), whose sum is σ = 2002728. Its totient is φ = 226080.

The previous prime is 735211. The next prime is 735239. The reversal of 735228 is 822537.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318 + ... + 1253.

2⁷³⁵²²⁸ is an apocalyptic number.

735228 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

735228 is an abundant number, since it is smaller than the sum of its proper divisors (1267500).

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

735228 is a wasteful number, since it uses less digits than its factorization.

735228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1589 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 735228 is about 857.4543719639. The cubic root of 735228 is about 90.2555698764.

The spelling of 735228 in words is "seven hundred thirty-five thousand, two hundred twenty-eight".