745471624 has 16 divisors (see below), whose sum is σ = 1479980700. Its totient is φ = 350810112.

The previous prime is 745471619. The next prime is 745471627. The reversal of 745471624 is 426174547.

It can be written as a sum of positive squares in 2 ways, for example, as 717275524 + 28196100 = 26782^2 + 5310^2 .

It is not an unprimeable number, because it can be changed into a prime (745471627) 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 3 ways as a sum of consecutive naturals, for example, 2740569 + ... + 2740840.

Almost surely, 2^745471624 is an apocalyptic number.

It is an amenable number.

745471624 is a deficient number, since it is larger than the sum of its proper divisors (734509076).

745471624 is a wasteful number, since it uses less digits than its factorization.

745471624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481432 (or 5481428 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 745471624 is about 27303.3262442509. The cubic root of 745471624 is about 906.7280248508.

The spelling of 745471624 in words is "seven hundred forty-five million, four hundred seventy-one thousand, six hundred twenty-four".