745482440 has 32 divisors (see below), whose sum is σ = 1750265280. Its totient is φ = 285227712.

The previous prime is 745482427. The next prime is 745482467. The reversal of 745482440 is 44284547.

It is a junction number, because it is equal to n+sod(n) for n = 745482394 and 745482403.

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, 404234 + ... + 406073.

It is an arithmetic number, because the mean of its divisors is an integer number (54695790).

Almost surely, 2^745482440 is an apocalyptic number.

It is an amenable number.

745482440 is an abundant number, since it is smaller than the sum of its proper divisors (1004782840).

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

745482440 is a wasteful number, since it uses less digits than its factorization.

745482440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810341 (or 810337 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 38.

The square root of 745482440 is about 27303.5243146375. The cubic root of 745482440 is about 906.7324100492.

The spelling of 745482440 in words is "seven hundred forty-five million, four hundred eighty-two thousand, four hundred forty".