740142 has 24 divisors (see below), whose sum is σ = 1727544. Its totient is φ = 227664.

The previous prime is 740141. The next prime is 740143. The reversal of 740142 is 241047.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (740141) and next prime (740143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (71981).

2⁷⁴⁰¹⁴² is an apocalyptic number.

740142 is an abundant number, since it is smaller than the sum of its proper divisors (987402).

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

740142 is a wasteful number, since it uses less digits than its factorization.

740142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 740142 is about 860.3150585687. The cubic root of 740142 is about 90.4562021623.

Adding to 740142 its reverse (241047), we get a palindrome (981189).

The spelling of 740142 in words is "seven hundred forty thousand, one hundred forty-two", and thus it is an iban number.