712542 has 8 divisors (see below), whose sum is σ = 1425096. Its totient is φ = 237512.

The previous prime is 712531. The next prime is 712561. The reversal of 712542 is 245217.

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

712542 is an admirable number.

It is a super-2 number, since 2×712542² = 1015432203528, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 712542.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59373 + ... + 59384.

It is an arithmetic number, because the mean of its divisors is an integer number (178137).

2⁷¹²⁵⁴² is an apocalyptic number.

712542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

712542 is a wasteful number, since it uses less digits than its factorization.

712542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118762.

The product of its digits is 560, while the sum is 21.

The square root of 712542 is about 844.1220290930. The cubic root of 712542 is about 89.3175543280.

Adding to 712542 its reverse (245217), we get a palindrome (957759).

The spelling of 712542 in words is "seven hundred twelve thousand, five hundred forty-two".