745066512 has 100 divisors (see below), whose sum is σ = 2162436496. Its totient is φ = 247665600.

The previous prime is 745066507. The next prime is 745066523. The reversal of 745066512 is 215660547.

It is a happy number.

It is a super-2 number, since 2×745066512² = 1110248214607692288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 708387 + ... + 709437.

Almost surely, 2^745066512 is an apocalyptic number.

745066512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745066512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081218248).

745066512 is an abundant number, since it is smaller than the sum of its proper divisors (1417369984).

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

745066512 is a wasteful number, since it uses less digits than its factorization.

745066512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 745066512 is about 27295.9065062877. The cubic root of 745066512 is about 906.5637472084.

It can be divided in two parts, 74506 and 6512, that added together give a palindrome (81018).

The spelling of 745066512 in words is "seven hundred forty-five million, sixty-six thousand, five hundred twelve".