712728651 has 4 divisors (see below), whose sum is σ = 950304872. Its totient is φ = 475152432.

The previous prime is 712728641. The next prime is 712728659. The reversal of 712728651 is 156827217.

712728651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 712728651 - 2¹⁰ = 712727627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712728659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118788106 + ... + 118788111.

It is an arithmetic number, because the mean of its divisors is an integer number (237576218).

Almost surely, 2^712728651 is an apocalyptic number.

712728651 is a deficient number, since it is larger than the sum of its proper divisors (237576221).

712728651 is a wasteful number, since it uses less digits than its factorization.

712728651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237576220.

The product of its digits is 47040, while the sum is 39.

The square root of 712728651 is about 26696.9783121611. The cubic root of 712728651 is about 893.2535258430.

It can be divided in two parts, 7127 and 28651, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 712728651 in words is "seven hundred twelve million, seven hundred twenty-eight thousand, six hundred fifty-one".