1372745 has 12 divisors (see below), whose sum is σ = 1811460. Its totient is φ = 997920.

The previous prime is 1372739. The next prime is 1372747. The reversal of 1372745 is 5472731.

It can be written as a sum of positive squares in 2 ways, for example, as 234256 + 1138489 = 484^2 + 1067^2 .

It is not a de Polignac number, because 1372745 - 2¹⁶ = 1307209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1372747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (150955).

2^1372745 is an apocalyptic number.

It is an amenable number.

1372745 is a deficient number, since it is larger than the sum of its proper divisors (438715).

1372745 is a wasteful number, since it uses less digits than its factorization.

1372745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2285 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 1372745 is about 1171.6420101720. The cubic root of 1372745 is about 111.1381824778.

It can be divided in two parts, 137 and 2745, that added together give a palindrome (2882).

The spelling of 1372745 in words is "one million, three hundred seventy-two thousand, seven hundred forty-five".