214804742 has 4 divisors (see below), whose sum is σ = 322207116. Its totient is φ = 107402370.

The previous prime is 214804739. The next prime is 214804753. The reversal of 214804742 is 247408412.

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

It is a super-2 number, since 2×214804742² = 92282154371373128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214804699 and 214804708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53701184 + ... + 53701187.

It is an arithmetic number, because the mean of its divisors is an integer number (80551779).

Almost surely, 2^214804742 is an apocalyptic number.

214804742 is a deficient number, since it is larger than the sum of its proper divisors (107402374).

214804742 is a wasteful number, since it uses less digits than its factorization.

214804742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107402373.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 214804742 is about 14656.2185436763. The cubic root of 214804742 is about 598.8912319474.

The spelling of 214804742 in words is "two hundred fourteen million, eight hundred four thousand, seven hundred forty-two".