745424042 has 16 divisors (see below), whose sum is σ = 1245739392. Its totient is φ = 331619520.

The previous prime is 745424023. The next prime is 745424051. The reversal of 745424042 is 240424547.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359423 + ... + 361490.

It is an arithmetic number, because the mean of its divisors is an integer number (77858712).

Almost surely, 2^745424042 is an apocalyptic number.

745424042 is a deficient number, since it is larger than the sum of its proper divisors (500315350).

745424042 is a wasteful number, since it uses less digits than its factorization.

745424042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720973.

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 745424042 is about 27302.4548713115. The cubic root of 745424042 is about 906.7087328798.

Adding to 745424042 its reverse (240424547), we get a palindrome (985848589).

The spelling of 745424042 in words is "seven hundred forty-five million, four hundred twenty-four thousand, forty-two".