745984602 has 72 divisors (see below), whose sum is σ = 1824807348. Its totient is φ = 219922560.

The previous prime is 745984601. The next prime is 745984619. The reversal of 745984602 is 206489547.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 744798681 + 1185921 = 27291^2 + 1089^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (745984601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75958 + ... + 85214.

Almost surely, 2^745984602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745984602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912403674).

745984602 is an abundant number, since it is smaller than the sum of its proper divisors (1078822746).

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

745984602 is a wasteful number, since it uses less digits than its factorization.

745984602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324 (or 9310 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 745984602 is about 27312.7186856234. The cubic root of 745984602 is about 906.9359580414.

The spelling of 745984602 in words is "seven hundred forty-five million, nine hundred eighty-four thousand, six hundred two".