745622745 has 16 divisors (see below), whose sum is σ = 1363424640. Its totient is φ = 340856064.

The previous prime is 745622743. The next prime is 745622791. The reversal of 745622745 is 547226547.

745622745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745622745 - 2¹ = 745622743 is a prime.

It is a super-2 number, since 2×745622745² = 1111906555722670050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745622697 and 745622706.

It is not an unprimeable number, because it can be changed into a prime (745622743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550480 + ... + 3550689.

It is an arithmetic number, because the mean of its divisors is an integer number (85214040).

Almost surely, 2^745622745 is an apocalyptic number.

It is an amenable number.

745622745 is a deficient number, since it is larger than the sum of its proper divisors (617801895).

745622745 is a wasteful number, since it uses less digits than its factorization.

745622745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101184.

The product of its digits is 470400, while the sum is 42.

The square root of 745622745 is about 27306.0935507077. The cubic root of 745622745 is about 906.7892909376.

The spelling of 745622745 in words is "seven hundred forty-five million, six hundred twenty-two thousand, seven hundred forty-five".