745535387 has 4 divisors (see below), whose sum is σ = 758171640. Its totient is φ = 732899136.

The previous prime is 745535359. The next prime is 745535389. The reversal of 745535387 is 783535547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745535387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745535389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6318038 + ... + 6318155.

It is an arithmetic number, because the mean of its divisors is an integer number (189542910).

Almost surely, 2^745535387 is an apocalyptic number.

745535387 is a deficient number, since it is larger than the sum of its proper divisors (12636253).

745535387 is a wasteful number, since it uses less digits than its factorization.

745535387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636252.

The product of its digits is 1764000, while the sum is 47.

The square root of 745535387 is about 27304.4938975254. The cubic root of 745535387 is about 906.7538760698.

The spelling of 745535387 in words is "seven hundred forty-five million, five hundred thirty-five thousand, three hundred eighty-seven".