712641 has 4 divisors (see below), whose sum is σ = 950192. Its totient is φ = 475092.

The previous prime is 712631. The next prime is 712651. The reversal of 712641 is 146217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (712631) and next prime (712651).

It is not a de Polignac number, because 712641 - 2¹⁰ = 711617 is a prime.

It is a D-number.

It is a Duffinian number.

712641 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (712601) 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, 118771 + ... + 118776.

It is an arithmetic number, because the mean of its divisors is an integer number (237548).

2⁷¹²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

712641 is a deficient number, since it is larger than the sum of its proper divisors (237551).

712641 is a wasteful number, since it uses less digits than its factorization.

712641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237550.

The product of its digits is 336, while the sum is 21.

The square root of 712641 is about 844.1806678668. The cubic root of 712641 is about 89.3216907057.

Adding to 712641 its reverse (146217), we get a palindrome (858858).

The spelling of 712641 in words is "seven hundred twelve thousand, six hundred forty-one".