745427522 has 16 divisors (see below), whose sum is σ = 1286018880. Its totient is φ = 317433168.

The previous prime is 745427497. The next prime is 745427531. The reversal of 745427522 is 225724547.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167372 + ... + 171767.

It is an arithmetic number, because the mean of its divisors is an integer number (80376180).

Almost surely, 2^745427522 is an apocalyptic number.

745427522 is a deficient number, since it is larger than the sum of its proper divisors (540591358).

745427522 is a wasteful number, since it uses less digits than its factorization.

745427522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339305.

The product of its digits is 156800, while the sum is 38.

The square root of 745427522 is about 27302.5186017701. The cubic root of 745427522 is about 906.7101438626.

The spelling of 745427522 in words is "seven hundred forty-five million, four hundred twenty-seven thousand, five hundred twenty-two".