7214734388 has 6 divisors (see below), whose sum is σ = 12625785186. Its totient is φ = 3607367192.

The previous prime is 7214734379. The next prime is 7214734399. The reversal of 7214734388 is 8834374127.

It can be written as a sum of positive squares in only one way, i.e., 6745665424 + 469068964 = 82132^2 + 21658^2 .

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, 901841795 + ... + 901841802.

It is an arithmetic number, because the mean of its divisors is an integer number (2104297531).

Almost surely, 2^7214734388 is an apocalyptic number.

It is an amenable number.

7214734388 is a deficient number, since it is larger than the sum of its proper divisors (5411050798).

7214734388 is a wasteful number, since it uses less digits than its factorization.

7214734388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803683601 (or 1803683599 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 7214734388 is about 84939.5925820227. The cubic root of 7214734388 is about 1932.2950842168.

The spelling of 7214734388 in words is "seven billion, two hundred fourteen million, seven hundred thirty-four thousand, three hundred eighty-eight".