745071612 has 24 divisors (see below), whose sum is σ = 1739010000. Its totient is φ = 248284416.

The previous prime is 745071611. The next prime is 745071617. The reversal of 745071612 is 216170547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745071611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47764 + ... + 61412.

It is an arithmetic number, because the mean of its divisors is an integer number (72458750).

Almost surely, 2^745071612 is an apocalyptic number.

It is an amenable number.

745071612 is an abundant number, since it is smaller than the sum of its proper divisors (993938388).

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

745071612 is a wasteful number, since it uses less digits than its factorization.

745071612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205 (or 18203 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 745071612 is about 27295.9999267292. Note that the first 4 decimals coincide. The cubic root of 745071612 is about 906.5658156880.

The spelling of 745071612 in words is "seven hundred forty-five million, seventy-one thousand, six hundred twelve".