7212715456 has 28 divisors (see below), whose sum is σ = 14318396560. Its totient is φ = 3604930560.

The previous prime is 7212715451. The next prime is 7212715487. The reversal of 7212715456 is 6545172127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212715451) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 151141 + ... + 193051.

Almost surely, 2^7212715456 is an apocalyptic number.

It is an amenable number.

7212715456 is a deficient number, since it is larger than the sum of its proper divisors (7105681104).

7212715456 is a wasteful number, since it uses less digits than its factorization.

7212715456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44612 (or 44602 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 7212715456 is about 84927.7072338586. The cubic root of 7212715456 is about 1932.1148264222.

The spelling of 7212715456 in words is "seven billion, two hundred twelve million, seven hundred fifteen thousand, four hundred fifty-six".