740042 has 4 divisors (see below), whose sum is σ = 1110066. Its totient is φ = 370020.

The previous prime is 740041. The next prime is 740053. The reversal of 740042 is 240047.

740042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 707281 + 32761 = 841^2 + 181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 740042.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 740042.

It is not an unprimeable number, because it can be changed into a prime (740041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185009 + ... + 185012.

2⁷⁴⁰⁰⁴² is an apocalyptic number.

740042 is a deficient number, since it is larger than the sum of its proper divisors (370024).

740042 is a wasteful number, since it uses less digits than its factorization.

740042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370023.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 740042 is about 860.2569383620. The cubic root of 740042 is about 90.4521281568.

Adding to 740042 its reverse (240047), we get a palindrome (980089).

The spelling of 740042 in words is "seven hundred forty thousand, forty-two", and thus it is an iban number.