745503737 has 8 divisors (see below), whose sum is σ = 861116832. Its totient is φ = 637864000.

The previous prime is 745503709. The next prime is 745503739. The reversal of 745503737 is 737305547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745503737 - 2¹⁶ = 745438201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745503694 and 745503703.

It is not an unprimeable number, because it can be changed into a prime (745503739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993139 + ... + 1993512.

It is an arithmetic number, because the mean of its divisors is an integer number (107639604).

Almost surely, 2^745503737 is an apocalyptic number.

It is an amenable number.

745503737 is a deficient number, since it is larger than the sum of its proper divisors (115613095).

745503737 is a wasteful number, since it uses less digits than its factorization.

745503737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986679.

The product of its (nonzero) digits is 308700, while the sum is 41.

The square root of 745503737 is about 27303.9143164492. The cubic root of 745503737 is about 906.7410445008.

It can be divided in two parts, 74550 and 3737, that added together give a palindrome (78287).

The spelling of 745503737 in words is "seven hundred forty-five million, five hundred three thousand, seven hundred thirty-seven".