745420012 has 48 divisors (see below), whose sum is σ = 1405766880. Its totient is φ = 345801216.

The previous prime is 745420001. The next prime is 745420021. The reversal of 745420012 is 210024547.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630888 + ... + 1631344.

It is an arithmetic number, because the mean of its divisors is an integer number (29286810).

Almost surely, 2^745420012 is an apocalyptic number.

It is an amenable number.

745420012 is a deficient number, since it is larger than the sum of its proper divisors (660346868).

745420012 is a wasteful number, since it uses less digits than its factorization.

745420012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 745420012 is about 27302.3810683244. The cubic root of 745420012 is about 906.7070988914.

Adding to 745420012 its reverse (210024547), we get a palindrome (955444559).

The spelling of 745420012 in words is "seven hundred forty-five million, four hundred twenty thousand, twelve".