745438480 has 40 divisors (see below), whose sum is σ = 1738442304. Its totient is φ = 297264000.

The previous prime is 745438469. The next prime is 745438537. The reversal of 745438480 is 84834547.

745438480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12405 + ... + 40555.

Almost surely, 2^745438480 is an apocalyptic number.

It is an amenable number.

745438480 is an abundant number, since it is smaller than the sum of its proper divisors (993003824).

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

745438480 is a wasteful number, since it uses less digits than its factorization.

745438480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28495 (or 28489 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 745438480 is about 27302.7192784895. The cubic root of 745438480 is about 906.7145868079.

The spelling of 745438480 in words is "seven hundred forty-five million, four hundred thirty-eight thousand, four hundred eighty".