214728502 has 4 divisors (see below), whose sum is σ = 322092756. Its totient is φ = 107364250.

The previous prime is 214728497. The next prime is 214728523. The reversal of 214728502 is 205827412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×214728502² = 92216659142328008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53682124 + ... + 53682127.

It is an arithmetic number, because the mean of its divisors is an integer number (80523189).

Almost surely, 2^214728502 is an apocalyptic number.

214728502 is a deficient number, since it is larger than the sum of its proper divisors (107364254).

214728502 is a wasteful number, since it uses less digits than its factorization.

214728502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107364253.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 214728502 is about 14653.6173691004. The cubic root of 214728502 is about 598.8203693428.

The spelling of 214728502 in words is "two hundred fourteen million, seven hundred twenty-eight thousand, five hundred two".