745403984 has 20 divisors (see below), whose sum is σ = 1555314516. Its totient is φ = 344032512.

The previous prime is 745403977. The next prime is 745404061. The reversal of 745403984 is 489304547.

It can be written as a sum of positive squares in 2 ways, for example, as 398401600 + 347002384 = 19960^2 + 18628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791629 + ... + 1792044.

Almost surely, 2^745403984 is an apocalyptic number.

It is an amenable number.

745403984 is an abundant number, since it is smaller than the sum of its proper divisors (809910532).

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

745403984 is a wasteful number, since it uses less digits than its factorization.

745403984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583694 (or 3583688 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 745403984 is about 27302.0875392341. The cubic root of 745403984 is about 906.7006001813.

The spelling of 745403984 in words is "seven hundred forty-five million, four hundred three thousand, nine hundred eighty-four".