712145669 has 8 divisors (see below), whose sum is σ = 756635040. Its totient is φ = 668357136.

The previous prime is 712145641. The next prime is 712145689. The reversal of 712145669 is 966541217.

712145669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712145669 - 2²⁸ = 443710213 is a prime.

It is a super-2 number, since 2×712145669² = 1014302907750915122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712145639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173114 + ... + 177179.

It is an arithmetic number, because the mean of its divisors is an integer number (94579380).

Almost surely, 2^712145669 is an apocalyptic number.

It is an amenable number.

712145669 is a deficient number, since it is larger than the sum of its proper divisors (44489371).

712145669 is a wasteful number, since it uses less digits than its factorization.

712145669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350419.

The product of its digits is 90720, while the sum is 41.

The square root of 712145669 is about 26686.0575769446. The cubic root of 712145669 is about 893.0099114956.

The spelling of 712145669 in words is "seven hundred twelve million, one hundred forty-five thousand, six hundred sixty-nine".