740712 has 32 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 211584.

The previous prime is 740711. The next prime is 740713. The reversal of 740712 is 217047.

740712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (740711) and next prime (740713).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (740711) 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, 2037 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (66150).

2⁷⁴⁰⁷¹² is an apocalyptic number.

It is an amenable number.

740712 is an abundant number, since it is smaller than the sum of its proper divisors (1376088).

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

740712 is a wasteful number, since it uses less digits than its factorization.

740712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 740712 is about 860.6462688004. The cubic root of 740712 is about 90.4794169891.

Adding to 740712 its reverse (217047), we get a palindrome (957759).

The spelling of 740712 in words is "seven hundred forty thousand, seven hundred twelve", and thus it is an iban number.