742712 has 16 divisors (see below), whose sum is σ = 1401840. Its totient is φ = 368896.

The previous prime is 742711. The next prime is 742717. The reversal of 742712 is 217247.

742712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×742712² = 1103242229888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742711) 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, 1928 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (87615).

2⁷⁴²⁷¹² is an apocalyptic number.

It is an amenable number.

742712 is a deficient number, since it is larger than the sum of its proper divisors (659128).

742712 is a wasteful number, since it uses less digits than its factorization.

742712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 618 counting only the distinct ones).

The product of its digits is 784, while the sum is 23.

The square root of 742712 is about 861.8074030780. The cubic root of 742712 is about 90.5607784398.

Adding to 742712 its reverse (217247), we get a palindrome (959959).

The spelling of 742712 in words is "seven hundred forty-two thousand, seven hundred twelve", and thus it is an iban number.