745359450 has 192 divisors, whose sum is σ = 2147541120. Its totient is φ = 169344000.

The previous prime is 745359403. The next prime is 745359451. The reversal of 745359450 is 54953547.

It is not an unprimeable number, because it can be changed into a prime (745359451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1770240 + ... + 1770660.

It is an arithmetic number, because the mean of its divisors is an integer number (11185110).

Almost surely, 2^745359450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745359450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073770560).

745359450 is an abundant number, since it is smaller than the sum of its proper divisors (1402181670).

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

745359450 is a wasteful number, since it uses less digits than its factorization.

745359450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 745359450 is about 27301.2719483910. The cubic root of 745359450 is about 906.6825429446.

The spelling of 745359450 in words is "seven hundred forty-five million, three hundred fifty-nine thousand, four hundred fifty".