745213012 has 12 divisors (see below), whose sum is σ = 1331870400. Its totient is φ = 364678616.

The previous prime is 745213009. The next prime is 745213031. The reversal of 745213012 is 210312547.

It is a happy number.

It is a super-2 number, since 2×745213012² = 1110684866508224288, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1981762 + ... + 1982137.

It is an arithmetic number, because the mean of its divisors is an integer number (110989200).

Almost surely, 2^745213012 is an apocalyptic number.

It is an amenable number.

745213012 is a deficient number, since it is larger than the sum of its proper divisors (586657388).

745213012 is a wasteful number, since it uses less digits than its factorization.

745213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963950 (or 3963948 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 745213012 is about 27298.5899269541. The cubic root of 745213012 is about 906.6231615395.

Adding to 745213012 its reverse (210312547), we get a palindrome (955525559).

The spelling of 745213012 in words is "seven hundred forty-five million, two hundred thirteen thousand, twelve".