737748045 has 18 divisors (see below), whose sum is σ = 1279079178. Its totient is φ = 393368448.

The previous prime is 737748043. The next prime is 737748083. The reversal of 737748045 is 540847737.

It can be written as a sum of positive squares in 3 ways, for example, as 2090916 + 735657129 = 1446^2 + 27123^2 .

It is not a de Polignac number, because 737748045 - 2¹ = 737748043 is a prime.

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 a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (737748041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 180181 + ... + 184229.

Almost surely, 2^737748045 is an apocalyptic number.

It is an amenable number.

737748045 is a deficient number, since it is larger than the sum of its proper divisors (541331133).

737748045 is an frugal number, since it uses more digits than its factorization.

737748045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 737748045 is about 27161.5177226899. The cubic root of 737748045 is about 903.5857136105.

Multiplying 737748045 by its sum of digits (45), we get a square (33198662025 = 182205²).

737748045 divided by its sum of digits (45) gives a square (16394401 = 4049²).

The spelling of 737748045 in words is "seven hundred thirty-seven million, seven hundred forty-eight thousand, forty-five".