745413440 has 56 divisors (see below), whose sum is σ = 1852208640. Its totient is φ = 285198848.

The previous prime is 745413343. The next prime is 745413443. The reversal of 745413440 is 44314547.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 745413397 and 745413406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745413443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43280 + ... + 57999.

Almost surely, 2^745413440 is an apocalyptic number.

It is an amenable number.

745413440 is an abundant number, since it is smaller than the sum of its proper divisors (1106795200).

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

745413440 is a wasteful number, since it uses less digits than its factorization.

745413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101319 (or 101309 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 745413440 is about 27302.2607122560. The cubic root of 745413440 is about 906.7044342207.

Adding to 745413440 its reverse (44314547), we get a palindrome (789727987).

The spelling of 745413440 in words is "seven hundred forty-five million, four hundred thirteen thousand, four hundred forty".