37545120 has 120 divisors (see below), whose sum is σ = 132548724. Its totient is φ = 10008576.

The previous prime is 37545103. The next prime is 37545127. The reversal of 37545120 is 2154573.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34433424 + 3111696 = 5868^2 + 1764^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (37545127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11512 + ... + 14408.

Almost surely, 2^37545120 is an apocalyptic number.

37545120 is a gapful number since it is divisible by the number (30) 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 37545120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66274362).

37545120 is an abundant number, since it is smaller than the sum of its proper divisors (95003604).

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

37545120 is a wasteful number, since it uses less digits than its factorization.

37545120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 37545120 is about 6127.4072820403. The cubic root of 37545120 is about 334.8506648573.

Adding to 37545120 its reverse (2154573), we get a palindrome (39699693).

The spelling of 37545120 in words is "thirty-seven million, five hundred forty-five thousand, one hundred twenty".