214874728 has 16 divisors (see below), whose sum is σ = 403634880. Its totient is φ = 107238768.

The previous prime is 214874701. The next prime is 214874731. The reversal of 214874728 is 827478412.

It is a super-2 number, since 2×214874728² = 92342297466147968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20176 + ... + 28927.

It is an arithmetic number, because the mean of its divisors is an integer number (25227180).

Almost surely, 2^214874728 is an apocalyptic number.

It is an amenable number.

214874728 is a deficient number, since it is larger than the sum of its proper divisors (188760152).

214874728 is a wasteful number, since it uses less digits than its factorization.

214874728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49656 (or 49652 counting only the distinct ones).

The product of its digits is 200704, while the sum is 43.

The square root of 214874728 is about 14658.6059364457. The cubic root of 214874728 is about 598.9562669030.

The spelling of 214874728 in words is "two hundred fourteen million, eight hundred seventy-four thousand, seven hundred twenty-eight".