745212612 has 48 divisors (see below), whose sum is σ = 1843490880. Its totient is φ = 233490432.

The previous prime is 745212607. The next prime is 745212619. The reversal of 745212612 is 216212547.

It is a self number, because there is not a number n which added to its sum of digits gives 745212612.

It is not an unprimeable number, because it can be changed into a prime (745212619) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 197439 + ... + 201177.

It is an arithmetic number, because the mean of its divisors is an integer number (38406060).

Almost surely, 2^745212612 is an apocalyptic number.

It is an amenable number.

745212612 is an abundant number, since it is smaller than the sum of its proper divisors (1098278268).

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

745212612 is a wasteful number, since it uses less digits than its factorization.

745212612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740 (or 4738 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 745212612 is about 27298.5826005674. The cubic root of 745212612 is about 906.6229993266.

The spelling of 745212612 in words is "seven hundred forty-five million, two hundred twelve thousand, six hundred twelve".