712420 has 24 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 281952.

The previous prime is 712417. The next prime is 712427. The reversal of 712420 is 24217.

It is a junction number, because it is equal to n+sod(n) for n = 712394 and 712403.

It is not an unprimeable number, because it can be changed into a prime (712427) 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, 3481 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁷¹²⁴²⁰ is an apocalyptic number.

It is an amenable number.

712420 is an abundant number, since it is smaller than the sum of its proper divisors (799580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712420 is a wasteful number, since it uses less digits than its factorization.

712420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 712420 is about 844.0497615662. The cubic root of 712420 is about 89.3124564467.

Adding to 712420 its reverse (24217), we get a palindrome (736637).

The spelling of 712420 in words is "seven hundred twelve thousand, four hundred twenty", and thus it is an iban number.