745247622 has 32 divisors (see below), whose sum is σ = 1704268800. Its totient is φ = 212822208.

The previous prime is 745247609. The next prime is 745247639. The reversal of 745247622 is 226742547.

It is a happy number.

745247622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 128154 + ... + 133842.

It is an arithmetic number, because the mean of its divisors is an integer number (53258400).

Almost surely, 2^745247622 is an apocalyptic number.

745247622 is an abundant number, since it is smaller than the sum of its proper divisors (959021178).

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

745247622 is a wasteful number, since it uses less digits than its factorization.

745247622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820.

The product of its digits is 188160, while the sum is 39.

The square root of 745247622 is about 27299.2238351203. The cubic root of 745247622 is about 906.6371967846.

The spelling of 745247622 in words is "seven hundred forty-five million, two hundred forty-seven thousand, six hundred twenty-two".