37240225 has 24 divisors (see below), whose sum is σ = 50711040. Its totient is φ = 26904000.

The previous prime is 37240219. The next prime is 37240237. The reversal of 37240225 is 52204273.

It is not a de Polignac number, because 37240225 - 2⁷ = 37240097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 37240225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52171 + ... + 52879.

It is an arithmetic number, because the mean of its divisors is an integer number (2112960).

Almost surely, 2^37240225 is an apocalyptic number.

It is an amenable number.

37240225 is a deficient number, since it is larger than the sum of its proper divisors (13470815).

37240225 is a wasteful number, since it uses less digits than its factorization.

37240225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 37240225 is about 6102.4769561220. The cubic root of 37240225 is about 333.9417859029.

Adding to 37240225 its reverse (52204273), we get a palindrome (89444498).

The spelling of 37240225 in words is "thirty-seven million, two hundred forty thousand, two hundred twenty-five".